USDC
USDC

Cours du USD Coin

$0,99990
+$0
(+0,00 %)
Évolution du cours sur les dernières 24 heures
USDUSD
Que ressentez-vous pour USDC aujourd’hui ?
Donnez votre avis en ajoutant un pouce vers le haut si vous pensez que le cours Ethereum et la valeur Ethereum sont en hausse, ou un pouce en bas si vous estimez que le prix Ethereum et le ETH / USD vont baisser. Suivez l’évolution Ethereum en temps réel et consultez le Ethereum cours dollar et le Ethereum cours euro pour anticiper les tendances du marché.
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Infos sur le marché du USD Coin

Cap. boursière
La cap. boursière est calculée en multipliant l’offre en circulation d’un jeton par son dernier cours.
Cap. boursière = offre en circulation × dernier cours
Approvisionnement en circulation
La quantité totale d’un jeton qui est accessible au public sur le marché.
Classement de cap. boursière
La position d’un jeton dans le classement par cap. boursière.
Sommet historique
Cours le plus élevé atteint par un jeton au cours de son historique de trading.
Minimum historique
Cours le plus bas atteint par un jeton au cours de son historique de trading.
Cap. boursière
$60,90B
Approvisionnement en circulation
60 871 947 634 USDC
99,92 % de
60 917 376 086 USDC
Classement de cap. boursière
5
Audits
CertiK
Dernier audit : 1 juin 2020
Pic sur 24 h
$1,0001
Creux sur 24 h
$0,99980
Sommet historique
$1,0400
-3,86 % (-$0,04010)
Dernière mise à jour : 19 mai 2021
Minimum historique
$0,87450
+14,33 % (+$0,12540)
Dernière mise à jour : 11 mars 2023

Calculateur USDC

USDUSD
USDCUSDC

Prix USD Coin aujourd’hui en USD

Le cours de USD Coin est actuellement de $0,99990. Au cours des dernières 24 heures, la valeur USD Coin a a augmenté de +0,00 %. Il a actuellement une offre en circulation de 60 871 947 634 USDC et une offre maximale de 60 917 376 086 USDC, ce qui lui donne une capitalisation boursière totalement diluée de $60,90B. Actuellement, le jeton USD Coin occupe la 5 position du classement par capitalisation boursière. Le cours USD Coin/USD est mis à jour en temps réel.
Aujourd'hui
+$0
+0,00 %
7 jours
-$0,00030
-0,03 %
30 jours
-$0,00030
-0,03 %
3 mois
-$0,00030
-0,03 %

À propos du USD Coin (USDC)

4.2/5
Certik
4.4
02/04/2025
CyberScope
4.4
03/04/2025
TokenInsight
3.7
07/11/2024
La notation fournie correspond à une notation agrégée qui est collectée par OKX à partir des sources fournies. Elle n’est indiquée qu’à titre indicatif. OKX ne garantit ni la qualité ni l’exactitude des notations. Elle n’est pas destinée à dispenser (i) des conseils ou recommandations en matière d’investissement ; elle ne doit pas (ii) non plus être considérée comme une invitation à acheter, à vendre ni à détenir des actifs numériques, ni (iii) comme des conseils financiers, comptables, juridiques ou fiscaux. Les actifs numériques (dont les stablecoins et les NFT) présentent un niveau de risque élevé ; leur valeur peut varier considérablement, voire devenir nulle. Les prix et les performances des actifs numériques ne sont pas garantis et peuvent changer sans préavis. Vos actifs numériques ne sont pas couverts par une assurance contre les pertes potentielles. Les rendements historiques ne constituent pas un indicateur des rendements futurs. OKX ne garantit aucun rendement, ni le remboursement du capital et des intérêts. Évaluez attentivement votre situation financière pour déterminer si vous êtes en mesure de détenir des actifs numériques ou de réaliser des activités de trading. Demandez conseil auprès de votre expert juridique/fiscal/en investissement pour toute question portant sur votre propre situation.
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  • Site web officiel
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  • Explorateur de blocs
  • À propos des sites Web tiers
    À propos des sites Web tiers
    En utilisant le site web tiers (« SWT »), vous acceptez que toute utilisation du SWT soit sujette aux conditions du SWT et gouvernée par celles-ci. Sauf mention écrite expresse, OKX et ses affiliés (« OKX ») ne sont en aucun cas associés au propriétaire ni à l’opérateur du SWT. Vous acceptez le fait qu’OKX ne soit pas responsable des pertes, dommages ni de toutes autres conséquences découlant de votre utilisation du SWT. Veuillez noter que l’utilisation d’un SWT peut entraîner une perte ou une diminution de vos actifs.

USD Coin (USDC) est un contrat intelligent open source basé sur un contratstablecoinémis par une firme financière internationale appelée Circle et la plateforme d'échange de cryptomonnaies basée aux États-Unis, Coinbase. Ensemble, ils composent le Centre Consortium, responsable de la génération et de l'échange de tous les jetons USDC.

Lancé en octobre 2018, l'USDC est garanti par la monnaie fiduciaire et indexé sur le dollar américain selon un ratio 1:1. Cela est possible en raison d'un mélange d'obligations au comptant, d'équivalents en liquidités et de bons du Trésor américain à court terme. Environ 10 % des réserves en USDC sont détenues en liquidités et en équivalents en liquidités, et le reste en obligations au Trésor américain à court terme.

Le Centre estime que la vraie interopérabilité financière entre les cryptomonnaies et les monnaies fiduciaires n'est possible que s'il existe un échange de valeur stable sur le prix. USDC a été créé pour répondre au besoin de stablecoin adossé à la monnaie fiduciaire, transparent et sécurisé, qui n'existait pas sur le marché à l'époque.

Ses créateurs, Circle et Coinbase, veulent offrir un stablecoin adossé à des actifs réels, audité régulièrement et offrant une transparence et une gouvernance élevées. USDC a été conçu pour être plus transparent sur le plan financier et opérationnel que les autres stablecoins du marché, ce qui contribuera à renforcer la confiance et à encourager une adoption plus importante.

Grant Thornton est un cabinet d'expertise comptable indépendant qui effectue des attestations mensuelles sur le stablecoin USDC. Le cabinet fournit une vérification indépendante des réserves en USDC et s'assure qu'elles sont détenues de manière conforme à la politique de réserve du Centre Consortium.

Jeremy Allaire, le PDG de Circle, a mis l'accent sur l'importance de la transparence et de la responsabilité dans le fonctionnement de l'USDC, et l'engagement de Grant Tornton est une composante clé de cet effort. L'engagement de l'USDC en faveur de la transparence, soutenu par la vérification indépendante fournie par Grant Tornton, donne plus de confiance aux utilisateurs qui cherchent à acheter un stablecoin.

Comment fonctionne l'USDC

USDC est construit sur leEthereumblockchain, une plateforme décentralisée qui permet la création decontrats intelligentsetapplications décentralisées (dApps). USDC est un jeton ERC-20 compatible avec n'importe quel portefeuille ou plateforme d'échange Ethereum prenant en charge les jetons ERC-20. La technologie derrière USDC est conçue pour fournir stabilité et fiabilité aux utilisateurs, ce qui en fait un choix populaire pour les traders de cryptomonnaies.

Chaque jeton USDC est adossé à un dollar américain, ce qui signifie que sa valeur est directement liée à la valeur du dollar américain. Cela fournit un niveau élevé de stabilité, qui peut être particulièrement utile pendant la volatilité du marché.

Le Centre Consortium surveille la création et la gestion des jetons USDC. Il garantit que chaque jeton USDC est adossé à un dollar américain correspondant et que l'offre de jetons USDC est toujours égale au montant des jetons USDC détenus en réserve.

L'USDC est également émis sur plusieurs blockchains, y compris Ethereum (format ERC-20),Tron(format TRC-20),Algorand(format ASA),Avalanche(format ERC-20), Flow (format FT),Stellar(en tant qu'actif Stellar),Solana(format SPL), etHedera(format SDK).

À quoi sert l'USDC?

Étant l'un des stablecoins les plus prisés sur l'USD, l'USDC trouve une application généralisée en tant que moyen de stockage de la valeur durant la volatilité du marché ou simplement pour les personnes qui veulent une exposition à la monnaie fiduciaire en dehors des rails bancaires traditionnels. Par conséquent, de nombreux traders déplaceront leurs allocations de cryptos vers l'USDC pour éviter les brusques variations de prix. Cela pourrait expliquer pourquoi la demande d'USDC augmente considérablement pendant les périodes à la baisse.

L'USDC est également couramment utilisé par de nombreuses plateformes d'échange pour le lancement de nouveaux arrivants dans le secteur des cryptos et est largement accepté comme étant le paiement de biens et services sur les marchés en ligne et hors ligne.

Comme le jeton USDC réside sur plusieurs blockchains importantes, y compris Ethereum en tant que jeton ERC-20, il peut être utilisé de manière transparente dans n'importe queldAppsfonctionnant sur ces réseaux, y compris dans des jeux populaires où les utilisateurs peuvent facilement acheter des actifs dans le jeu avec leurs jetons USDC.

Un autre cas d'utilisation des jetons USDC est le transfert de fonds. Les jetons USDC sont de plus en plus utilisés pour les transferts de fonds, car ils offrent plusieurs avantages par rapport aux jetons traditionnels, notamment un plus grand sentiment de sécurité, un meilleur accès, des frais plus bas et des vitesses plus élevées. Certaines entreprises, comme la société financière Circle, offrent des services spécifiques conçus pour les transferts de fonds à l'aide de USDC.

Les jetons Idle USDC peuvent générer des revenus passifs sur diverses plateformes d'échange de cryptomonnaies, y compris OKX. Les utilisateurs peuvent effectuer une visiteOKX Earnet sélectionnez parmi les plans de staking USDC disponibles pour percevoir des intérêts.

Cours et tokénomique de l'USDC

Comme la plupart de ses pairs, l'USDC est émis sur demande et n'a pas de limite sur son offre maximale. Le nombre de jetons USDC en circulation change en fonction du nombre d'émission et de destructions par les émetteurs commerciaux.

Les nouveaux jetons USDC peuvent être émis directement par le Centre à un ratio 1:1 par rapport au dollar si nécessaire. Par exemple, si un acheteur veut acheter 15 millions de dollars USDC, le Centre peut immédiatement frapper 15 millions de nouveaux jetons USDC pour l'acheteur. De même, si un utilisateur avec 15 millions d'USDC veut les échanger contre des dollars US, le Centre les paye 15 millions de dollars US et détruit leurs 15 millions de jetons USDC, les retirant ainsi de la circulation.

À propos des fondateurs

L'USDC a été fondé en 2018 par le Centre, un consortium indépendant basé sur des membres qui comprendP2Pla société de services Circle et la plateforme d'échange de cryptomonnaies Coinbase.

Elle a été créée pour offrir une couche de confiance et de transparence au secteur des stablecoins. USDC permet aux utilisateurs d'opérer en toute confiance et en toute sécurité sur le marché des cryptos, en sachant que chaque unité de leurs avoirs en USDC peut être échangée contre 1 USD chaque fois qu'ils le souhaitent.

Contrairement à la plupart des autres projets de crypto et de stablecoins, Circle et Coinbase sont entièrement réglementées par les autorités américaines de premier plan. Cela a contribué à la cause de l'USDC et a ouvert la voie à l'expansion internationale du stablecoin.

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FAQ USD Coin

Qu’est-ce que l’USD Coin ?
L’USD Coin (USDC) est un stablecoin émis par Centre, une coentreprise créée entre la société fintech Circle et la place de marché de cryptomonnaies Coinbase. L’USD Coin est conçu pour représente un crypto-actif stable qui conserve toujours la même valeur par rapport au dollar.
Où puis-je acheter de l’USDC ?

Les utilisateurs peuvent acheter des USDC sur des plateformes d’échange de cryptos telles qu’OKX. Les utilisateurs peuvent avant tout acheter des USDC avec une carte de crédit ou de débit valide. Cliquez sur l’option « Acheter avec une carte » dans le menu d’en-tête « Acheter des cryptos ».


Les utilisateurs peuvent également remporter des jetons USDC sur les différentes offres de paires de trading dans le terminal de trading au comptant OKX. Sinon, visiter Conversion OKX pour swapper la crypto pré-existante avec des USDC, sans frais ni glissement des cours.


Enfin, les utilisateurs peuvent acheter des jetons USDC sur la plateforme de trading P2P OKX. Le trading P2P autorise les utilisateurs à acheter et vendre des cryptomonnaies directement à partir d’autres utilisateurs sans intermédiaire.

L’USDC est-il un investissement intéressant ?

Chez OKX, nous vous conseillons d’effectuer des recherches sur toute cryptomonnaie avant d’investir de manière objective. Les cryptomonnaies étant considérées comme un actif à haut risque et sujettes à de fortes variations de prix, nous vous demandons de n’investir que ce que vous êtes prêt à perdre.


De plus, à l’instar de toutes les cryptomonnaies, l’USDC est volatil et comporte un risque d’investissement. Avant d’investir, vous devez donc effectuer vos propres recherches (DYOR) et évaluer votre goût du risque.

Combien vaut 1 USD Coin aujourd’hui ?
Actuellement, 1 USD Coin vaut $0,99990. Vous recherchez des informations sur les mouvements de prix du token USD Coin ? Vous êtes au bon endroit ! Découvrez les graphiques les plus récents sur le token USD Coin et tradez de manière responsable avec OKX.
Qu'est-ce que la cryptomonnaie ?
Les cryptomonnaies, telles que les USD Coin, sont des actifs numériques fonctionnant sur un registre public appelé blockchain. En savoir plus sur les jetons proposés sur OKX et leurs différents attributs, notamment le cours en direct et les graphiques en temps réel.
Quand la cryptomonnaie a-t-elle été inventée ?
En raison de la crise financière de 2008, l’intérêt porté à la finance décentralisée a explosé. Le Bitcoin offrait une solution novatrice en tant qu’actif numérique sécurisé sur un réseau décentralisé. De nombreux jetons tels que les USD Coin ont également été créés depuis lors.
Le cours du USD Coin va-t-il augmenter aujourd'hui ?
Consultez notre Page de prédiction des cours de USD Coin pour prévoir les cours à venir et déterminer vos objectifs de cours.

Déclaration ESG

Les réglementations ESG (approche environnementale, sociale et de gouvernance) relatives aux actifs crypto visent à réduire leur impact environnemental (par exemple : l'extraction minière à forte intensité énergétique), à promouvoir la transparence et à garantir des pratiques de gouvernance éthiques afin d'aligner le secteur des cryptos sur des objectifs plus larges en matière de durabilité et de société. Ces réglementations encouragent le respect de normes qui atténuent les risques et favorisent la confiance dans les actifs numériques.
Détails de l’actif
Nom
OKcoin Europe LTD
Identifiant de l’entité juridique concernée
54930069NLWEIGLHXU42
Nom de l’actif crypto
USD Coin
Mécanisme de consensus
USD Coin is present on the following networks: algorand, avalanche, ethereum, flow, hedera_hbar, solana, stellar, tron. The Algorand blockchain utilizes a consensus mechanism termed Pure Proof-of-Stake (PPoS). Consensus, in this context, describes the method by which blocks are selected and appended to the blockchain. Algorand employs a verifiable random function (VRF) to select leaders who propose blocks for each round. Upon block proposal, a pseudorandomly selected committee of voters is chosen to evaluate the proposal. If a supermajority of these votes are from honest participants, the block is certified. What makes this algorithm a Pure Proof of Stake is that users are chosen for committees based on the number of algos in their accounts. This system leverages random committee selection to maintain high performance and inclusivity within the network. The consensus process involves three stages: 1. Propose: A leader proposes a new block. 2. Soft Vote: A committee of voters assesses the proposed block. 3. Certify Vote: Another committee certifies the block if it meets the required honesty threshold. The Avalanche blockchain network employs a unique Proof-of-Stake consensus mechanism called Avalanche Consensus, which involves three interconnected protocols: Snowball, Snowflake, and Avalanche. Avalanche Consensus Process 1. Snowball Protocol: o Random Sampling: Each validator randomly samples a small, constant-sized subset of other validators. Repeated Polling: Validators repeatedly poll the sampled validators to determine the preferred transaction. Confidence Counters: Validators maintain confidence counters for each transaction, incrementing them each time a sampled validator supports their preferred transaction. Decision Threshold: Once the confidence counter exceeds a pre-defined threshold, the transaction is considered accepted. 2. Snowflake Protocol: Binary Decision: Enhances the Snowball protocol by incorporating a binary decision process. Validators decide between two conflicting transactions. Binary Confidence: Confidence counters are used to track the preferred binary decision. Finality: When a binary decision reaches a certain confidence level, it becomes final. 3. Avalanche Protocol: DAG Structure: Uses a Directed Acyclic Graph (DAG) structure to organize transactions, allowing for parallel processing and higher throughput. Transaction Ordering: Transactions are added to the DAG based on their dependencies, ensuring a consistent order. Consensus on DAG: While most Proof-of-Stake Protocols use a Byzantine Fault Tolerant (BFT) consensus, Avalanche uses the Avalanche Consensus, Validators reach consensus on the structure and contents of the DAG through repeated Snowball and Snowflake. The Ethereum network uses a Proof-of-Stake Consensus Mechanism to validate new transactions on the blockchain. Core Components 1. Validators: Validators are responsible for proposing and validating new blocks. To become a validator, a user must deposit (stake) 32 ETH into a smart contract. This stake acts as collateral and can be slashed if the validator behaves dishonestly. 2. Beacon Chain: The Beacon Chain is the backbone of Ethereum 2.0. It coordinates the network of validators and manages the consensus protocol. It is responsible for creating new blocks, organizing validators into committees, and implementing the finality of blocks. Consensus Process 1. Block Proposal: Validators are chosen randomly to propose new blocks. This selection is based on a weighted random function (WRF), where the weight is determined by the amount of ETH staked. 2. Attestation: Validators not proposing a block participate in attestation. They attest to the validity of the proposed block by voting for it. Attestations are then aggregated to form a single proof of the block’s validity. 3. Committees: Validators are organized into committees to streamline the validation process. Each committee is responsible for validating blocks within a specific shard or the Beacon Chain itself. This ensures decentralization and security, as a smaller group of validators can quickly reach consensus. 4. Finality: Ethereum 2.0 uses a mechanism called Casper FFG (Friendly Finality Gadget) to achieve finality. Finality means that a block and its transactions are considered irreversible and confirmed. Validators vote on the finality of blocks, and once a supermajority is reached, the block is finalized. 5. Incentives and Penalties: Validators earn rewards for participating in the network, including proposing blocks and attesting to their validity. Conversely, validators can be penalized (slashed) for malicious behavior, such as double-signing or being offline for extended periods. This ensures honest participation and network security. Flow employs a Proof of Stake (PoS) model with a multi-role node architecture and the HotStuff Byzantine Fault Tolerant (BFT) protocol to achieve high throughput, scalability, and fast finality. Core Components of Flow’s Consensus: 1. Proof of Stake with Multi-Role Architecture: Specialized Node Roles: Flow’s PoS model features a multi-node architecture where node roles are divided among different types of specialized nodes, each responsible for specific tasks. This separation enhances scalability by allowing nodes to focus on particular operations, leading to efficient transaction processing and high throughput. 2. HotStuff Consensus Algorithm: Optimized for High Throughput and Fast Finality: Flow utilizes an optimized version of the HotStuff consensus protocol, which is designed to support high-speed, low-latency transactions essential for Flow’s performance-oriented blockchain. BFT Compliance: HotStuff is a BFT protocol, allowing it to tolerate up to one-third of nodes acting maliciously without compromising the network’s security. This resilience ensures the network remains secure and functional, even with potential faults or dishonest nodes. 3. Leader-Based Block Proposal: Leader and Replica Nodes: HotStuff operates with a leader-based approach where a designated leader node proposes new blocks, and other nodes (replicas) validate these blocks. This method simplifies the consensus process, reducing complexity and improving efficiency. Leader Rotation Mechanism: To prevent centralization and enhance fault tolerance, HotStuff incorporates a leader rotation system, replacing the leader if it becomes unresponsive or acts maliciously. This rotation ensures continuous network reliability and minimizes downtime. Hedera Hashgraph operates on a unique Hashgraph consensus algorithm, a directed acyclic graph (DAG) system that diverges from traditional blockchain technology. It uses Asynchronous Byzantine Fault Tolerance (aBFT) to secure the network. Core Components: 1. Hashgraph Consensus and aBFT: Hedera Hashgraph’s consensus mechanism achieves aBFT, which allows the network to tolerate malicious nodes without compromising security, ensuring high levels of fault tolerance and stability. 2. Gossip about Gossip Protocol: The network employs a "Gossip about Gossip" protocol, where nodes share transaction information along with details of previous gossip events. This process allows each node to rapidly learn the entire network state, enhancing communication efficiency and minimizing latency. 3. Virtual Voting: Hedera does not rely on traditional miners or stakers. Instead, it uses virtual voting, where nodes reach consensus by analyzing the gossip history and simulating votes based on the order and frequency of transactions received. Virtual voting eliminates the need for actual voting messages, reducing network congestion and speeding up consensus. 4. Deterministic Finality: Once consensus is reached, transactions achieve deterministic finality instantly, making them irreversible and confirmed within seconds. This attribute is ideal for applications needing quick and irreversible transaction confirmations. 5. Staking for Network Security: Hedera incorporates staking to bolster network security. HBAR holders can stake their tokens to support validator nodes, contributing to the network’s resilience and encouraging long-term engagement in consensus operations. Solana uses a unique combination of Proof of History (PoH) and Proof of Stake (PoS) to achieve high throughput, low latency, and robust security. Here’s a detailed explanation of how these mechanisms work: Core Concepts 1. Proof of History (PoH): Time-Stamped Transactions: PoH is a cryptographic technique that timestamps transactions, creating a historical record that proves that an event has occurred at a specific moment in time. Verifiable Delay Function: PoH uses a Verifiable Delay Function (VDF) to generate a unique hash that includes the transaction and the time it was processed. This sequence of hashes provides a verifiable order of events, enabling the network to efficiently agree on the sequence of transactions. 2. Proof of Stake (PoS): Validator Selection: Validators are chosen to produce new blocks based on the number of SOL tokens they have staked. The more tokens staked, the higher the chance of being selected to validate transactions and produce new blocks. Delegation: Token holders can delegate their SOL tokens to validators, earning rewards proportional to their stake while enhancing the network's security. Consensus Process 1. Transaction Validation: Transactions are broadcast to the network and collected by validators. Each transaction is validated to ensure it meets the network’s criteria, such as having correct signatures and sufficient funds. 2. PoH Sequence Generation: A validator generates a sequence of hashes using PoH, each containing a timestamp and the previous hash. This process creates a historical record of transactions, establishing a cryptographic clock for the network. 3. Block Production: The network uses PoS to select a leader validator based on their stake. The leader is responsible for bundling the validated transactions into a block. The leader validator uses the PoH sequence to order transactions within the block, ensuring that all transactions are processed in the correct order. 4. Consensus and Finalization: Other validators verify the block produced by the leader validator. They check the correctness of the PoH sequence and validate the transactions within the block. Once the block is verified, it is added to the blockchain. Validators sign off on the block, and it is considered finalized. Security and Economic Incentives 1. Incentives for Validators: Block Rewards: Validators earn rewards for producing and validating blocks. These rewards are distributed in SOL tokens and are proportional to the validator’s stake and performance. Transaction Fees: Validators also earn transaction fees from the transactions included in the blocks they produce. These fees provide an additional incentive for validators to process transactions efficiently. 2. Security: Staking: Validators must stake SOL tokens to participate in the consensus process. This staking acts as collateral, incentivizing validators to act honestly. If a validator behaves maliciously or fails to perform, they risk losing their staked tokens. Delegated Staking: Token holders can delegate their SOL tokens to validators, enhancing network security and decentralization. Delegators share in the rewards and are incentivized to choose reliable validators. 3. Economic Penalties: Slashing: Validators can be penalized for malicious behavior, such as double-signing or producing invalid blocks. This penalty, known as slashing, results in the loss of a portion of the staked tokens, discouraging dishonest actions. Stellar uses a unique consensus mechanism known as the Stellar Consensus Protocol (SCP): Core Concepts 1. Federated Byzantine Agreement (FBA): SCP is built on the principles of Federated Byzantine Agreement (FBA), which allows decentralized, leaderless consensus without the need for a closed system of trusted participants. Quorum Slices: Each node in the network selects a set of other nodes (quorum slice) that it trusts. Consensus is achieved when these slices overlap and collectively agree on the transaction state. 2. Nodes and Validators: Nodes: Nodes running the Stellar software participate in the network by validating transactions and maintaining the ledger. Validators: Nodes that are responsible for validating transactions and reaching consensus on the state of the ledger. Consensus Process 3. Transaction Validation: Transactions are submitted to the network and nodes validate them based on predetermined rules, such as sufficient balances and valid signatures. 4. Nomination Phase: Nomination: Nodes nominate values (proposed transactions) that they believe should be included in the next ledger. Nodes communicate their nominations to their quorum slices. Agreement on Nominations: Nodes vote on the nominated values, and through a process of voting and federated agreement, a set of candidate values emerges. This phase continues until nodes agree on a single value or a set of values. 5. Ballot Protocol (Voting and Acceptance): Balloting: The agreed-upon values from the nomination phase are then put into ballots. Each ballot goes through multiple rounds of voting, where nodes vote to either accept or reject the proposed values. Federated Voting: Nodes exchange votes within their quorum slices, and if a value receives sufficient votes across overlapping slices, it moves to the next stage. Acceptance and Confirmation: If a value gathers enough votes through multiple stages (prepare, confirm, externalize), it is accepted and externalized as the next state of the ledger. 6. Ledger Update: Once consensus is reached, the new transactions are recorded in the ledger. Nodes update their copies of the ledger to reflect the new state. Security and Economic Incentives 7. Trust and Quorum Slices: Nodes are free to choose their own quorum slices, which provides flexibility and decentralization. The overlapping nature of quorum slices ensures that the network can reach consensus even if some nodes are faulty or malicious. 8. Stability and Security: SCP ensures that the network can achieve consensus efficiently without relying on energy-intensive mining processes. This makes it environmentally friendly and suitable for high-throughput applications. 9. Incentive Mechanisms: Unlike Proof of Work (PoW) or Proof of Stake (PoS) systems, Stellar does not rely on direct economic incentives like mining rewards. Instead, the network incentivizes participation through the intrinsic value of maintaining a secure, efficient, and reliable payment network. The Tron blockchain operates on a Delegated Proof of Stake (DPoS) consensus mechanism, designed to improve scalability, transaction speed, and energy efficiency. Here's a breakdown of how it works: 1. Delegated Proof of Stake (DPoS): Tron uses DPoS, where token holders vote for a group of delegates known as Super Representatives (SRs)who are responsible for validating transactions and producing new blocks on the network. Token holders can vote for SRs based on their stake in the Tron network, and the top 27 SRs (or more, depending on the protocol version) are selected to participate in the block production process. SRs take turns producing blocks, which are added to the blockchain. This is done on a rotational basis to ensure decentralization and prevent control by a small group of validators. 2. Block Production: The Super Representatives generate new blocks and confirm transactions. The Tron blockchain achieves block finality quickly, with block production occurring every 3 seconds, making it highly efficient and capable of processing thousands of transactions per second. 3. Voting and Governance: Tron’s DPoS system also allows token holders to vote on important network decisions, such as protocol upgrades and changes to the system’s parameters. Voting power is proportional to the amount of TRX (Tron’s native token) that a user holds and chooses to stake. This provides a governance system where the community can actively participate in decision-making. 4. Super Representatives: The Super Representatives play a crucial role in maintaining the security and stability of the Tron blockchain. They are responsible for validating transactions, proposing new blocks, and ensuring the overall functionality of the network. Super Representatives are incentivized with block rewards (newly minted TRX tokens) and transaction feesfor their work.
Mécanismes d’incitation et frais applicables
USD Coin is present on the following networks: algorand, avalanche, ethereum, flow, hedera_hbar, solana, stellar, tron. Algorand's consensus mechanism, Pure Proof-of-Stake (PPoS), relies on the participation of token holders (stakers) to ensure the network's security and integrity: 1. Participation Rewards: o Staking Rewards: Users who participate in the consensus protocol by staking their ALGO tokens earn rewards. These rewards are distributed periodically and are proportional to the amount of ALGO staked. This incentivizes users to hold and stake their tokens, contributing to network security and stability. o Node Participation Rewards: Validators, also known as participation nodes, are responsible for proposing and voting on blocks. These nodes receive additional rewards for their active role in maintaining the network. 2. Transaction Fees: o Flat Fee Model: Algorand employs a flat fee model for transactions, which ensures predictability and simplicity. The standard transaction fee on Algorand is very low (around 0.001 ALGO per transaction). These fees are paid by users to have their transactions processed and included in a block. o Fee Redistribution: Collected transaction fees are redistributed to participants in the network. This includes stakers and validators, further incentivizing their participation and ensuring continuous network operation. 3. Economic Security: o Token Locking: To participate in the consensus mechanism, users must lock up their ALGO tokens. This economic stake acts as a security deposit that can be slashed (forfeited) if the participant acts maliciously. The potential loss of staked tokens discourages dishonest behavior and helps maintain network integrity. Fees on the Algorand Blockchain 1. Transaction Fees: o Algorand uses a flat transaction fee model. The current standard fee is 0.001 ALGO per transaction. This fee is minimal compared to other blockchain networks, ensuring affordability and accessibility. 2. Smart Contract Execution Fees: o Fees for executing smart contracts on Algorand are also designed to be low. These fees are based on the computational resources required to execute the contract, ensuring that users are only charged for the actual resources they consume. 3. Asset Creation Fees: o Creating new assets (tokens) on the Algorand blockchain involves a small fee. This fee is necessary to prevent spam and ensure that only genuine assets are created and maintained on the network. Avalanche uses a consensus mechanism known as Avalanche Consensus, which relies on a combination of validators, staking, and a novel approach to consensus to ensure the network's security and integrity. Validators: Staking: Validators on the Avalanche network are required to stake AVAX tokens. The amount staked influences their probability of being selected to propose or validate new blocks. Rewards: Validators earn rewards for their participation in the consensus process. These rewards are proportional to the amount of AVAX staked and their uptime and performance in validating transactions. Delegation: Validators can also accept delegations from other token holders. Delegators share in the rewards based on the amount they delegate, which incentivizes smaller holders to participate indirectly in securing the network. 2. Economic Incentives: Block Rewards: Validators receive block rewards for proposing and validating blocks. These rewards are distributed from the network’s inflationary issuance of AVAX tokens. Transaction Fees: Validators also earn a portion of the transaction fees paid by users. This includes fees for simple transactions, smart contract interactions, and the creation of new assets on the network. 3. Penalties: Slashing: Unlike some other PoS systems, Avalanche does not employ slashing (i.e., the confiscation of staked tokens) as a penalty for misbehavior. Instead, the network relies on the financial disincentive of lost future rewards for validators who are not consistently online or act maliciously. o Uptime Requirements: Validators must maintain a high level of uptime and correctly validate transactions to continue earning rewards. Poor performance or malicious actions result in missed rewards, providing a strong economic incentive to act honestly. Fees on the Avalanche Blockchain 1. Transaction Fees: Dynamic Fees: Transaction fees on Avalanche are dynamic, varying based on network demand and the complexity of the transactions. This ensures that fees remain fair and proportional to the network's usage. Fee Burning: A portion of the transaction fees is burned, permanently removing them from circulation. This deflationary mechanism helps to balance the inflation from block rewards and incentivizes token holders by potentially increasing the value of AVAX over time. 2. Smart Contract Fees: Execution Costs: Fees for deploying and interacting with smart contracts are determined by the computational resources required. These fees ensure that the network remains efficient and that resources are used responsibly. 3. Asset Creation Fees: New Asset Creation: There are fees associated with creating new assets (tokens) on the Avalanche network. These fees help to prevent spam and ensure that only serious projects use the network's resources. Ethereum, particularly after transitioning to Ethereum 2.0 (Eth2), employs a Proof-of-Stake (PoS) consensus mechanism to secure its network. The incentives for validators and the fee structures play crucial roles in maintaining the security and efficiency of the blockchain. Incentive Mechanisms 1. Staking Rewards: Validator Rewards: Validators are essential to the PoS mechanism. They are responsible for proposing and validating new blocks. To participate, they must stake a minimum of 32 ETH. In return, they earn rewards for their contributions, which are paid out in ETH. These rewards are a combination of newly minted ETH and transaction fees from the blocks they validate. Reward Rate: The reward rate for validators is dynamic and depends on the total amount of ETH staked in the network. The more ETH staked, the lower the individual reward rate, and vice versa. This is designed to balance the network's security and the incentive to participate. 2. Transaction Fees: Base Fee: After the implementation of Ethereum Improvement Proposal (EIP) 1559, the transaction fee model changed to include a base fee that is burned (i.e., removed from circulation). This base fee adjusts dynamically based on network demand, aiming to stabilize transaction fees and reduce volatility. Priority Fee (Tip): Users can also include a priority fee (tip) to incentivize validators to include their transactions more quickly. This fee goes directly to the validators, providing them with an additional incentive to process transactions efficiently. 3. Penalties for Malicious Behavior: Slashing: Validators face penalties (slashing) if they engage in malicious behavior, such as double-signing or validating incorrect information. Slashing results in the loss of a portion of their staked ETH, discouraging bad actors and ensuring that validators act in the network's best interest. Inactivity Penalties: Validators also face penalties for prolonged inactivity. This ensures that validators remain active and engaged in maintaining the network's security and operation. Fees Applicable on the Ethereum Blockchain 1. Gas Fees: Calculation: Gas fees are calculated based on the computational complexity of transactions and smart contract executions. Each operation on the Ethereum Virtual Machine (EVM) has an associated gas cost. Dynamic Adjustment: The base fee introduced by EIP-1559 dynamically adjusts according to network congestion. When demand for block space is high, the base fee increases, and when demand is low, it decreases. 2. Smart Contract Fees: Deployment and Interaction: Deploying a smart contract on Ethereum involves paying gas fees proportional to the contract's complexity and size. Interacting with deployed smart contracts (e.g., executing functions, transferring tokens) also incurs gas fees. Optimizations: Developers are incentivized to optimize their smart contracts to minimize gas usage, making transactions more cost-effective for users. 3. Asset Transfer Fees: Token Transfers: Transferring ERC-20 or other token standards involves gas fees. These fees vary based on the token's contract implementation and the current network demand. Flow’s incentive model rewards validator nodes, supports ecosystem growth, and maintains affordable fees for developers and users. Incentive Mechanisms: 1. Staking Rewards for Specialized Nodes: Role-Based Rewards: Validators earn Flow tokens according to their specific roles and contributions within the multi-node architecture, aligning rewards with each node’s responsibilities to encourage balanced and effective network participation. 2. Transaction Fees: Stable and Consumer-Friendly Fees: Flow’s fee structure is designed for predictability, keeping transaction costs stable for both developers and users. Fees are based on transaction complexity and provide an ongoing income stream for validators. 3. Misbehavior Penalties: Penalties for Downtime or Malicious Behavior: To maintain network stability, Flow imposes penalties on validators for misbehavior or downtime. This incentivizes high-quality validator participation and ensures consistent performance. 4. Ecosystem and Developer Support: Dedicated Portion of Fees and Rewards: A portion of Flow’s transaction fees and rewards is allocated to developer initiatives, ecosystem growth, and community engagement. This investment fosters innovation, supports long-term network health, and aligns incentives for ecosystem development. Hedera Hashgraph incentivizes network participation through transaction fees and staking rewards, with a structured and predictable fee model designed for enterprise use. Incentive Mechanisms: 1. Staking Rewards for Nodes: HBAR Rewards for Node Operators: Node operators earn HBAR rewards for providing network security and processing transactions, incentivizing them to act honestly and support network stability. User Staking: HBAR holders can stake their tokens to support nodes. Staking rewards offer an additional incentive for token holders to engage in network operations, although the structure may evolve with network growth. 2. Service-Based Node Rewards: Nodes receive rewards based on specific services they provide to the network, such as: Consensus Services: Reaching consensus and maintaining transaction order. File Storage: Storing data on the Hedera network. Smart Contract Processing: Supporting contract executions for decentralized applications. Applicable Fees: 1. Predictable Transaction Fees: Hedera’s fee structure is fixed and predictable, ensuring transparent costs for users and appealing to enterprise-grade applications. Transaction fees are paid in HBAR and are designed to be stable, making it easier for businesses to plan for usage costs. 2. Fee Allocation: All transaction fees collected in HBAR are distributed to network nodes as rewards, reinforcing their role in maintaining network integrity and processing transactions efficiently. Solana uses a combination of Proof of History (PoH) and Proof of Stake (PoS) to secure its network and validate transactions. Here’s a detailed explanation of the incentive mechanisms and applicable fees: Incentive Mechanisms 4. Validators: Staking Rewards: Validators are chosen based on the number of SOL tokens they have staked. They earn rewards for producing and validating blocks, which are distributed in SOL. The more tokens staked, the higher the chances of being selected to validate transactions and produce new blocks. Transaction Fees: Validators earn a portion of the transaction fees paid by users for the transactions they include in the blocks. This provides an additional financial incentive for validators to process transactions efficiently and maintain the network's integrity. 5. Delegators: Delegated Staking: Token holders who do not wish to run a validator node can delegate their SOL tokens to a validator. In return, delegators share in the rewards earned by the validators. This encourages widespread participation in securing the network and ensures decentralization. 6. Economic Security: Slashing: Validators can be penalized for malicious behavior, such as producing invalid blocks or being frequently offline. This penalty, known as slashing, involves the loss of a portion of their staked tokens. Slashing deters dishonest actions and ensures that validators act in the best interest of the network. Opportunity Cost: By staking SOL tokens, validators and delegators lock up their tokens, which could otherwise be used or sold. This opportunity cost incentivizes participants to act honestly to earn rewards and avoid penalties. Fees Applicable on the Solana Blockchain 7. Transaction Fees: Low and Predictable Fees: Solana is designed to handle a high throughput of transactions, which helps keep fees low and predictable. The average transaction fee on Solana is significantly lower compared to other blockchains like Ethereum. Fee Structure: Fees are paid in SOL and are used to compensate validators for the resources they expend to process transactions. This includes computational power and network bandwidth. 8. Rent Fees: State Storage: Solana charges rent fees for storing data on the blockchain. These fees are designed to discourage inefficient use of state storage and encourage developers to clean up unused state. Rent fees help maintain the efficiency and performance of the network. 9. Smart Contract Fees: Execution Costs: Similar to transaction fees, fees for deploying and interacting with smart contracts on Solana are based on the computational resources required. This ensures that users are charged proportionally for the resources they consume. Stellar’s consensus mechanism, the Stellar Consensus Protocol (SCP), is designed to achieve decentralized and secure transaction validation through a federated Byzantine agreement (FBA) model. Unlike Proof of Work (PoW) or Proof of Stake (PoS) systems, Stellar does not rely on direct economic incentives like mining rewards. Instead, it ensures network security and transaction validation through intrinsic network mechanisms and transaction fees. Incentive Mechanisms 1. Quorum Slices and Trust: Quorum Slices: Each node in the Stellar network selects other nodes it trusts to form a quorum slice. Consensus is achieved through the intersection of these slices, creating a robust and decentralized trust network. Federated Voting: Nodes communicate their votes within their quorum slices, and through multiple rounds of federated voting, they agree on the transaction state. This process ensures that even if some nodes are compromised, the network can still achieve consensus securely. 2. Intrinsic Value and Participation: Network Value: The intrinsic value of participating in a secure, efficient, and reliable payment network incentivizes nodes to act honestly and maintain network security. Organizations and individuals running nodes benefit from the network’s functionality and the ability to facilitate transactions. Decentralization: By allowing nodes to choose their own quorum slices, Stellar promotes decentralization, reducing the risk of central points of failure and making the network more resilient to attacks. Fees on the Stellar Blockchain 3. Transaction Fees: Flat Fee Structure: Each transaction on the Stellar network incurs a flat fee of 0.00001 XLM (known as a base fee). This low and predictable fee structure makes Stellar suitable for micropayments and high-volume transactions. Spam Prevention: The transaction fee serves as a deterrent against spam attacks. By requiring a small fee for each transaction, Stellar ensures that the network remains efficient and that resources are not wasted on processing malicious or frivolous transactions. 4. Operational Costs: Minimal Fees: The minimal transaction fees on Stellar not only prevent spam but also cover the operational costs of running the network. This ensures that the network can sustain itself without placing a significant financial burden on users. 5. Reserve Requirements: Account Reserves: To create a new account on the Stellar network, a minimum balance of 1 XLM is required. This reserve requirement prevents the creation of an excessive number of accounts, further protecting the network from spam and ensuring efficient resource usage. Trustline and Offer Reserves: Additional reserve requirements exist for creating trustlines and offers on the Stellar decentralized exchange (DEX). These reserves help maintain network integrity and prevent abuse. The Tron blockchain uses a Delegated Proof of Stake (DPoS) consensus mechanism to secure its network and incentivize participation. Here's how the incentive mechanism and applicable fees work: Incentive Mechanism: 1. Super Representatives (SRs) Rewards: Block Rewards: Super Representatives (SRs), who are elected by TRX holders, are rewarded for producing blocks. Each block they produce comes with a block reward in the form of TRX tokens. Transaction Fees: In addition to block rewards, SRs receive transaction fees for validating transactions and including them in blocks. This ensures they are incentivized to process transactions efficiently. 2. Voting and Delegation: TRX Staking: TRX holders can stake their tokens and vote for Super Representatives (SRs). When TRX holders vote, they delegate their voting power to SRs, which allows SRs to earn rewards in the form of newly minted TRX tokens. Delegator Rewards: Token holders who delegate their votes to an SR can also receive a share of the rewards. This means delegators share in the block rewards and transaction fees that the SR earns. Incentivizing Participation: The more tokens a user stakes, the more voting power they have, which encourages participation in governance and network security. 3. Incentive for SRs: SRs are also incentivized to maintain the health and performance of the network. Their reputation and continued election depend on their ability to produce blocks consistently and efficiently process transactions. Applicable Fees: 1. Transaction Fees: Fee Calculation: Users must pay transaction fees to have their transactions processed. The transaction fee varies based on the complexity of the transaction and the network's current demand. This is paid in TRX tokens. Transaction Fee Distribution: Transaction fees are distributed to Super Representatives (SRs), giving them an ongoing income to maintain and support the network. 2. Storage Fees: Tron charges storage fees for data storage on the blockchain. This includes storing smart contracts, tokens, and other data on the network. Users are required to pay these fees in TRX tokens to store data. 3. Energy and Bandwidth: Energy: Tron uses a resource model that allows users to access network resources like bandwidth and energy through staking. Users who stake their TRX tokens receive "energy," which is required to execute transactions and interact with smart contracts. Bandwidth: Each user is allocated a certain amount of bandwidth based on their TRX holdings. If users exceed their allotted bandwidth, they can pay for additional bandwidth in TRX tokens.
Début de la période à laquelle se rapporte la déclaration
2024-04-02
Fin de la période à laquelle se rapporte la déclaration
2025-04-02
Rapport sur l'énergie
Consommation énergétique
857143.73588 (kWh/a)
Consommation d’énergie renouvelable
16.918704718 (%)
Intensité énergétique
0.00002 (kWh)
Principales sources d’énergie et méthodologies
To determine the proportion of renewable energy usage, the locations of the nodes are to be determined using public information sites, open-source crawlers and crawlers developed in-house. If no information is available on the geographic distribution of the nodes, reference networks are used which are comparable in terms of their incentivization structure and consensus mechanism. This geo-information is merged with public information from the European Environment Agency (EEA) and thus determined. The intensity is calculated as the marginal energy cost wrt. one more transaction.
Sources de consommation d’énergie et méthodologies
The energy consumption of this asset is aggregated across multiple components: To determine the energy consumption of a token, the energy consumption of the network(s) algorand, avalanche, ethereum, flow, hedera_hbar, solana, stellar, tron is calculated first. Based on the crypto asset's gas consumption per network, the share of the total consumption of the respective network that is assigned to this asset is defined. When calculating the energy consumption, we used - if available - the Functionally Fungible Group Digital Token Identifier (FFG DTI) to determine all implementations of the asset of question in scope and we update the mappings regulary, based on data of the Digital Token Identifier Foundation.
Rapport sur les émissions
Emissions de GES de portée 1 DLT - Contrôlé
0.00000 (tCO2e/a)
Emissions de GES de portée 2 DLT - Acheté
293.56368 (tCO2e/a)
Intensité des GES
0.00001 (kgCO2e)
Principales sources de GES et méthodologies
To determine the proportion of renewable energy usage, the locations of the nodes are to be determined using public information sites, open-source crawlers and crawlers developed in-house. If no information is available on the geographic distribution of the nodes, reference networks are used which are comparable in terms of their incentivization structure and consensus mechanism. This geo-information is merged with public information from the European Environment Agency (EEA) and thus determined. The intensity is calculated as the marginal emission wrt. one more transaction.
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