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Project Overview
x402 is an autonomous payment protocol that supports AI, websites, and applications to automatically send and receive payments, provides programmable settlement and multi-chain compatibility, and is committed to building automated decentralized payment solutions.
AEON closes $8 million pre-seed round led by YZi Labs
AEON, focused on the economic settlement layer for AI agents, has announced the completion of an $8 million pre-seed funding round led by YZi Labs, with participation from IDG Capital, HashKey Capital, Stanford Blockchain Builders Fund, and Oak Grove Ventures. AEON stated that it will use these funds to advance the development of its settlement layer tailored for AI agent interactions. The company launched its first AI-powered payment product in May, claiming it connects to over 50 million offline merchants worldwide. Additionally, AEON has partnered with BNB Chain to launch the x402 Facilitator, enabling verifiable transactions, on-chain settlement, and tamper-proof receipts.
Bernstein: CLARITY Act Yield Compromise to Strengthen Circle's Competitive Edge
Odaily. Bernstein stated in its latest research report that the newly reached compromise on stablecoin yields under the U.S. CLARITY Act is structurally beneficial for Circle and the USDC ecosystem.The report notes that the current version of the bill prohibits stablecoin issuers from paying interest to passive holders that is "economically equivalent" to bank deposits, but allows reward mechanisms tied to actual transaction, payment, and usage activities to continue. Bernstein believes this means Circle's current model, which relies on partners like Coinbase to provide USDC reward programs, will gain regulatory recognition, while also limiting the industry's ability to compete for market share through high yields.Bernstein points out that the bill effectively reinforces the positioning of stablecoins as "payment tools" rather than "deposit substitutes," helping to protect Circle's current business model that relies on reserve income. The firm maintains an "Outperform" rating for Circle with a $190 target price.Data shows that the total global supply of dollar-pegged stablecoins has surpassed $300 billion, with USDT and USDC collectively accounting for approximately 97% of the market share. Bernstein notes that USDC's share in on-chain payments and wallet transfers is steadily increasing, and its share of payments in the AI Agent payment protocol x402 has exceeded 99%.Additionally, Bernstein mentioned that Circle's ARC chain has cumulatively completed 244 million testnet transactions. The ARC token pre-sale previously raised $222 million, with investors including a16z crypto, Apollo Funds, ARK Invest, and BlackRock.However, the report also points out that the CLARITY Act still needs to complete multiple legislative procedures before it takes effect, including a 60-vote threshold in the full Senate and coordination with the House version. Polymarket currently estimates its probability of passage by 2026 at approximately 62%. (The Block)
Analysis: Crypto Becoming Default Payment Layer for AI Agents, Stablecoin Advantages Highlighted
crypto market maker and investment firm Keyrock has released a new report indicating that as traditional bank card payment systems struggle to meet micro-payment needs, blockchain-based stablecoin payment rails are gradually becoming the default payment layer for AI agents.The report shows that between May 2025 and April 2026, AI agents have completed over 176 million transactions through on-chain infrastructure, settling more than $73 million.The so-called "Agentic Payments" refer to AI software that can autonomously purchase data, computing power, API access, or AI services without requiring human authorization for each individual transaction. For example, an AI trading agent can continuously and automatically buy market data, cloud computing resources, or AI analysis services. Keyrock believes this growth rate may even surpass the early explosive phase of stablecoins.Currently, Coinbase's x402 protocol has emerged as one of the leading crypto-native machine payment solutions, allowing AI agents to directly pay for on-chain data analysis, cloud services, and other resources using USDC, without the need for accounts or subscription systems.Data shows that approximately 76% of AI agent payment amounts fall below the common 30-cent fixed fee threshold of traditional bank cards, with most transactions ranging from just 1 to 10 cents. This makes traditional payment networks unsuitable for machine-to-machine micropayments. In contrast, on chains like Base and Tempo, the settlement cost for stablecoins is "less than one cent."However, regulation may still become a limiting factor for industry growth. The report points out that new regulatory frameworks, including Europe's MiCA, the US's GENIUS Act, and the EU's AI Act, have yet to directly cover critical issues such as autonomous transactions by AI agents, liability attribution, and identity authentication. (CoinDesk)
Former Farcaster founder and Tempo team member Dan Romero: Tempo could achieve decentralization within 2 years, Asian market lead is now in place
recently, Liu Feng, former founder of ChainNews, and Dan Romero, former Farcaster founder and Tempo team member, engaged in a series of discussions on topics such as payments, cryptocurrency, and AI Agents. During the conversation, Dan Romero addressed some key questions raised by both Liu Feng and the public. The highlights are as follows:1. The reason for the shift from idealistic socialfi products to public chains dominated by large enterprises: "The crypto landscape has changed. Now we have stablecoins and crypto (more native) as two distinct things." Tempo and Playbook's goal is: "Starting with payment services, collaborating with large, established companies to help them conduct on-chain payments and advance their own business development. Then, by integrating DeFi applications, we will launch yield-generating products that end users actually need."2. "Tempo has no meme coins or anything similar, which is a good thing for a conservative bank. Tempo has other characteristics: compliance and privacy. This might not be as exciting for crypto natives, but it is very attractive to banks."3. Regarding core use cases for payments: "Platform-based marketplaces and cross-border payments are two clear stablecoin use cases."4. Micropayment-driven agent-to-agent payments are worth anticipating; stablecoin-based micropayments will usher in a new spring. Regarding payments between agents: "Traditional payment methods are too costly to use at scale. This level of granularity and speed can only be achieved through cryptocurrencies and streaming payments."5. "I deeply respect Ethereum's adherence to cypherpunk principles regarding decentralization. I really like their new mission; it's good for the world. But the reality is that businesses don't care about these things; they care about whether it can solve real problems." "If Tempo can attract 1 million businesses and 1 billion consumers, it won't be a bad thing for either cryptocurrency or Ethereum."6. Regarding Tempo's decentralization process: Hoping to achieve it within two years. "We are not a bunch of suit-wearing outsiders; we truly understand the space. We know how important decentralization is, but at the same time, we are very pragmatic. I guarantee that we will actually drive application adoption."7. Regarding the Machine Payment Protocol (MPP) and the X402 protocol, AI Agents don't care about the differences between them. The key to satisfying them is the elimination of human intervention.8. Tempo's Asian market lead is now in place and will be operating out of Singapore.
Fireblocks launches Agentic Payments Suite and joins x402 Foundation
: Digital asset infrastructure platform Fireblocks announced the launch of the "Agentic Payments Suite" to support the AI Agent payment framework of the x402 protocol, and simultaneously announced its joining of the x402 Foundation. It is reported that this suite covers the entire AI Agent payment process, including wallet infrastructure for Agents to initiate transfers, a merchant receiving layer, and settlement and risk control functions for compliant financial institutions. (Cointelegraph)
German stablecoin startup AllUnity plans to launch its Swedish krona (SEK) stablecoin, SEKAU, in June and roll out its AI-powered payment agent system.
According to CoinDesk, German stablecoin startup AllUnity plans to launch SEKAU—a Swedish krona-pegged stablecoin—in June, following final regulatory and operational approvals, and will issue it under the EU’s Markets in Crypto-Assets (MiCA) regulatory framework. Meanwhile, AllUnity has also launched Agentic Payments, enabling businesses to receive transactions initiated autonomously by AI software agents and settle funds directly into local bank accounts. The system adopts Coinbase’s x402 payment standard and targets online digital services, content, and data sales. AllUnity is backed by DWS, Flow Traders, and Galaxy Digital, and is regulated by Germany’s Federal Financial Supervisory Authority (BaFin).
France risks missing the wave of AI agents and stablecoin payments: Experts say tax system needs adjustment within 6 months to avoid being marginalized
: An opinion piece published in the French media *Le Monde* points out that France may have only about 6 months to seize the new wave of industrial revolution led by "agentic AI". Otherwise, it risks being marginalized in the global digital financial system. Several French crypto industry insiders argue that online transactions driven by AI agents are growing rapidly, with most settlements already completed via stablecoins. According to the *State of Crypto* report by Andreessen Horowitz, the annual transaction volume of stablecoins has reached approximately $46 trillion, nearly three times that of Visa and 20 times that of PayPal, establishing them as a key infrastructure in the global payment system.The article further points out that the x402 standard, promoted by Coinbase and adopted by Cloudflare, Google, and Visa, already supports AI agents in automatically completing payments via stablecoins, with cumulative transactions exceeding 119 million to date.However, in terms of the tax system, France's current provisions are criticized as being unable to adapt to this trend. The complex tax treatment between stablecoin exchanges and fiat withdrawals is believed to discourage the flow of funds back into the banking system, causing a large volume of digital asset transactions to remain within the stablecoin ecosystem for extended periods. As AI agents and stablecoin payments gradually converge, the global financial infrastructure is being restructured. If France fails to promptly adjust its regulatory and tax framework, it may miss out on the dividends of this new wave of the digital economy.
Bernstein: CLARITY Act Yield Compromise to Strengthen Circle's Competitive Edge
Odaily. Bernstein stated in its latest research report that the newly reached compromise on stablecoin yields under the U.S. CLARITY Act is structurally beneficial for Circle and the USDC ecosystem.The report notes that the current version of the bill prohibits stablecoin issuers from paying interest to passive holders that is "economically equivalent" to bank deposits, but allows reward mechanisms tied to actual transaction, payment, and usage activities to continue. Bernstein believes this means Circle's current model, which relies on partners like Coinbase to provide USDC reward programs, will gain regulatory recognition, while also limiting the industry's ability to compete for market share through high yields.Bernstein points out that the bill effectively reinforces the positioning of stablecoins as "payment tools" rather than "deposit substitutes," helping to protect Circle's current business model that relies on reserve income. The firm maintains an "Outperform" rating for Circle with a $190 target price.Data shows that the total global supply of dollar-pegged stablecoins has surpassed $300 billion, with USDT and USDC collectively accounting for approximately 97% of the market share. Bernstein notes that USDC's share in on-chain payments and wallet transfers is steadily increasing, and its share of payments in the AI Agent payment protocol x402 has exceeded 99%.Additionally, Bernstein mentioned that Circle's ARC chain has cumulatively completed 244 million testnet transactions. The ARC token pre-sale previously raised $222 million, with investors including a16z crypto, Apollo Funds, ARK Invest, and BlackRock.However, the report also points out that the CLARITY Act still needs to complete multiple legislative procedures before it takes effect, including a 60-vote threshold in the full Senate and coordination with the House version. Polymarket currently estimates its probability of passage by 2026 at approximately 62%. (The Block)
Analysis: Crypto Becoming Default Payment Layer for AI Agents, Stablecoin Advantages Highlighted
crypto market maker and investment firm Keyrock has released a new report indicating that as traditional bank card payment systems struggle to meet micro-payment needs, blockchain-based stablecoin payment rails are gradually becoming the default payment layer for AI agents.The report shows that between May 2025 and April 2026, AI agents have completed over 176 million transactions through on-chain infrastructure, settling more than $73 million.The so-called "Agentic Payments" refer to AI software that can autonomously purchase data, computing power, API access, or AI services without requiring human authorization for each individual transaction. For example, an AI trading agent can continuously and automatically buy market data, cloud computing resources, or AI analysis services. Keyrock believes this growth rate may even surpass the early explosive phase of stablecoins.Currently, Coinbase's x402 protocol has emerged as one of the leading crypto-native machine payment solutions, allowing AI agents to directly pay for on-chain data analysis, cloud services, and other resources using USDC, without the need for accounts or subscription systems.Data shows that approximately 76% of AI agent payment amounts fall below the common 30-cent fixed fee threshold of traditional bank cards, with most transactions ranging from just 1 to 10 cents. This makes traditional payment networks unsuitable for machine-to-machine micropayments. In contrast, on chains like Base and Tempo, the settlement cost for stablecoins is "less than one cent."However, regulation may still become a limiting factor for industry growth. The report points out that new regulatory frameworks, including Europe's MiCA, the US's GENIUS Act, and the EU's AI Act, have yet to directly cover critical issues such as autonomous transactions by AI agents, liability attribution, and identity authentication. (CoinDesk)
France risks missing the wave of AI agents and stablecoin payments: Experts say tax system needs adjustment within 6 months to avoid being marginalized
: An opinion piece published in the French media *Le Monde* points out that France may have only about 6 months to seize the new wave of industrial revolution led by "agentic AI". Otherwise, it risks being marginalized in the global digital financial system. Several French crypto industry insiders argue that online transactions driven by AI agents are growing rapidly, with most settlements already completed via stablecoins. According to the *State of Crypto* report by Andreessen Horowitz, the annual transaction volume of stablecoins has reached approximately $46 trillion, nearly three times that of Visa and 20 times that of PayPal, establishing them as a key infrastructure in the global payment system.The article further points out that the x402 standard, promoted by Coinbase and adopted by Cloudflare, Google, and Visa, already supports AI agents in automatically completing payments via stablecoins, with cumulative transactions exceeding 119 million to date.However, in terms of the tax system, France's current provisions are criticized as being unable to adapt to this trend. The complex tax treatment between stablecoin exchanges and fiat withdrawals is believed to discourage the flow of funds back into the banking system, causing a large volume of digital asset transactions to remain within the stablecoin ecosystem for extended periods. As AI agents and stablecoin payments gradually converge, the global financial infrastructure is being restructured. If France fails to promptly adjust its regulatory and tax framework, it may miss out on the dividends of this new wave of the digital economy.
AWS partners with Coinbase and Stripe to launch AI agent stablecoin payment functionality, enabling microtransactions using USDC
According to The Block, Amazon Web Services (AWS) has partnered with Coinbase and Stripe to launch Amazon Bedrock AgentCore Payments, enabling AI agents to conduct transactions using stablecoins. Coinbase stated that developers can build “agent-based payment” solutions using the x402 protocol, allowing AI agents to make micro-payments in USDC. This feature enables AI agents to instantly pay for web content, APIs, MCP servers, and other agents. AWS noted that developers can choose between Coinbase and Stripe wallets and fund those wallets using either stablecoins or fiat currency.
Coinbase Updates Payment Ecosystem Development Progress: x402 Protocol to Soon Support Direct USDC Balance Payments for Coinbase for Agents Users
: Coinbase Developer Platform has released an update on payment ecosystem development progress. With the official launch of Coinbase for Agents, users can now create independent accounts for AI Agents, enabling automated operations such as trading and asset management under configured permission and risk control rules; a new Coinbase CLI and MCP have been demonstrated to simplify the login process, allowing identity and operation integration demonstrations via Claude; Developer wallets are now available through the Swift SDK, supporting the integration of self-custody wallet functionality within native iOS applications.In the coming weeks, the x402 protocol will support users within Coinbase for Agents to make direct payments using their USDC balance, allowing Agents not only to operate accounts but also to complete real-world payments directly through the stablecoins held by users. Additionally, Coinbase will release a system update on June 16 to further enhance payment and Agent-related capabilities.
Ripple Drives XRP and RLUSD Adoption into the x402 Payment System and Launches XRPL Toolkit
According to CoinDesk, Ripple is attempting to introduce XRP and its stablecoin, Ripple USD, into the AI agent payment market—currently dominated by the dollar-pegged stablecoin USD Coin—in order to penetrate the on-chain micropayment ecosystem. It has launched the “XRPL AI Starter Kit,” a toolkit for developers to build AI agent payment capabilities, enabling agents to perform payments, check balances, and conduct wallet operations on the XRP Ledger, and supporting automated payment workflows based on the x402 protocol. However, Ripple has not yet disclosed any large-scale, production-ready customers or real-world AI agent payment transaction data; the initiative remains in the early infrastructure and developer ecosystem exploration phase.
Ripple Launches XRPL Agentic Payment Toolkit, Positioning for AI-Automated Payment Infrastructure
Ripple has announced a new toolkit for developers to build "agentic payments" applications on the XRP Ledger (XRPL), enabling AI agents to execute automated financial transactions.Ripple stated that AI agents are no longer a future concept; they are already actively participating in paying for computing power, settling invoices, and completing transactions without human intervention. As the application of AI agents expands, the market is accelerating the construction of machine-oriented payment infrastructure, including wallets and stablecoin payment channels, allowing AI to autonomously handle service payments and asset trading.This week, Robinhood also launched a related initiative, allowing users to try stock trading executed by AI agents, with plans to expand into the crypto asset sector in the future; MetaMask has also released a non-custodial wallet solution for AI agents.Ripple pointed out that traditional payment systems are primarily designed for human-initiated and approved processes, whereas AI agents require infrastructure that enables rapid settlement, predictable outcomes, and no need for manual approval. It emphasized that its new toolkit also supports payments based on the x402 protocol, allowing settlement using XRP and Ripple USD (RLUSD).Meanwhile, the IC3 team, composed of researchers from multiple universities, stated that while combining AI with blockchain can achieve automated transactions, AI agents remain highly dependent on humans and the underlying infrastructure and do not possess complete autonomy. (The Block)
OpenSea Launches Ethereum Open Standard ERC-8257 for AI Agent Tool Registration
OpenSea has announced the launch of the Ethereum open standard ERC-8257 (Agent Tool Registry), positioning it as the "app store for AI agent tools."According to the announcement, developers can use this standard to register tools on-chain, declare access rules and pricing, while also enabling AI agents to autonomously discover, purchase access rights, and invoke relevant tools without human intervention.OpenSea stated that ERC-8257 can be composable with other protocols such as ERC-8004 (Agent Identity), MCP (Tool Discovery), and x402 (Payment Protocol), collectively forming the infrastructure for AI agent on-chain operations. ERC-8257 is currently in the draft stage, and OpenSea has invited developers to participate in further refining the specification.
Stripe officially launches Machine Payments Protocol (MPP), enabling AI Agents to autonomously complete payment setup and integration via prompts
Stripe officially announced on the X platform the launch of its new Machine Payments Protocol (MPP) feature. Users can now complete AI Agent payment-related setup and integration simply by sending a prompt to the AI Agent. Companies such as @zincdotcom, @agentscoretrust, and @ondbai have already begun accepting machine payments from AI agents via the MPP and x402 protocols.It is reported that this feature significantly lowers the barrier for autonomous payment integration of AI Agents, transforming the process from requiring manual code writing in the past to "getting it done with just one prompt."
Fireblocks launches Agentic Payments Suite and joins x402 Foundation
: Digital asset infrastructure platform Fireblocks announced the launch of the "Agentic Payments Suite" to support the AI Agent payment framework of the x402 protocol, and simultaneously announced its joining of the x402 Foundation. It is reported that this suite covers the entire AI Agent payment process, including wallet infrastructure for Agents to initiate transfers, a merchant receiving layer, and settlement and risk control functions for compliant financial institutions. (Cointelegraph)
Related news
Coinbase Updates Payment Ecosystem Development Progress: x402 Protocol to Soon Support Direct USDC Balance Payments for Coinbase for Agents Users
: Coinbase Developer Platform has released an update on payment ecosystem development progress. With the official launch of Coinbase for Agents, users can now create independent accounts for AI Agents, enabling automated operations such as trading and asset management under configured permission and risk control rules; a new Coinbase CLI and MCP have been demonstrated to simplify the login process, allowing identity and operation integration demonstrations via Claude; Developer wallets are now available through the Swift SDK, supporting the integration of self-custody wallet functionality within native iOS applications.In the coming weeks, the x402 protocol will support users within Coinbase for Agents to make direct payments using their USDC balance, allowing Agents not only to operate accounts but also to complete real-world payments directly through the stablecoins held by users. Additionally, Coinbase will release a system update on June 16 to further enhance payment and Agent-related capabilities.
Ripple Drives XRP and RLUSD Adoption into the x402 Payment System and Launches XRPL Toolkit
According to CoinDesk, Ripple is attempting to introduce XRP and its stablecoin, Ripple USD, into the AI agent payment market—currently dominated by the dollar-pegged stablecoin USD Coin—in order to penetrate the on-chain micropayment ecosystem. It has launched the “XRPL AI Starter Kit,” a toolkit for developers to build AI agent payment capabilities, enabling agents to perform payments, check balances, and conduct wallet operations on the XRP Ledger, and supporting automated payment workflows based on the x402 protocol. However, Ripple has not yet disclosed any large-scale, production-ready customers or real-world AI agent payment transaction data; the initiative remains in the early infrastructure and developer ecosystem exploration phase.
Coinbase launches Coinbase for Agents, allowing AI Agents to trade and make payments on behalf of users
Coinbase has launched "Coinbase for Agents," creating dedicated accounts and sub-accounts for AI Agents, enabling them to conduct transactions, manage funds, and make payments on behalf of users.Users can control AI Agents through natural language commands, such as periodically rebalancing investment portfolios, executing trading strategies, researching market information, or automatically purchasing assets within a set budget, eliminating the need to manually transfer funds between different wallets.Coinbase stated that this product builds on its AI-related developments over the past year, including the previously launched x402 AI payment open standard and AgentKit. Currently, platforms such as Gemini, OKX, and MetaMask are also exploring financial account and wallet infrastructure for AI Agents, indicating that the crypto industry is accelerating its布局 for "non-human user" scenarios.
Ripple Launches XRPL Agentic Payment Toolkit, Positioning for AI-Automated Payment Infrastructure
Ripple has announced a new toolkit for developers to build "agentic payments" applications on the XRP Ledger (XRPL), enabling AI agents to execute automated financial transactions.Ripple stated that AI agents are no longer a future concept; they are already actively participating in paying for computing power, settling invoices, and completing transactions without human intervention. As the application of AI agents expands, the market is accelerating the construction of machine-oriented payment infrastructure, including wallets and stablecoin payment channels, allowing AI to autonomously handle service payments and asset trading.This week, Robinhood also launched a related initiative, allowing users to try stock trading executed by AI agents, with plans to expand into the crypto asset sector in the future; MetaMask has also released a non-custodial wallet solution for AI agents.Ripple pointed out that traditional payment systems are primarily designed for human-initiated and approved processes, whereas AI agents require infrastructure that enables rapid settlement, predictable outcomes, and no need for manual approval. It emphasized that its new toolkit also supports payments based on the x402 protocol, allowing settlement using XRP and Ripple USD (RLUSD).Meanwhile, the IC3 team, composed of researchers from multiple universities, stated that while combining AI with blockchain can achieve automated transactions, AI agents remain highly dependent on humans and the underlying infrastructure and do not possess complete autonomy. (The Block)
B.AI Users Surpass 1.8 Million, Accelerating Towards AGI
B.AI, an AI infrastructure platform, announced that its total number of platform users has officially surpassed 1.8 million, reaching 1,800,619 individuals. As a next-generation platform centered on privacy-first AI access, intelligent routing, and autonomous agent economic infrastructure, B.AI integrates LLM services, the x402/8004 protocol, the BAIclaw multi-agent framework, MCP servers, and a wallet-native payment system. This comprehensive approach enables barrier-free access, efficient collaboration, and seamless transactions for intelligent agents. From data flow to value exchange, B.AI is providing complete, open, and secure infrastructure support for the autonomous agent ecosystem, continuously accelerating the arrival of the AGI era.
Erik.eth, Coinbase’s engineering lead, has departed to found a new company.
Erik.eth, Coinbase’s Head of Engineering and founder of the x402 protocol, announced that he has left Coinbase and will launch a new company. He stated that he will continue to participate in x402 as a member of its Foundation Technical Steering Committee and serve as an advisor to Coinbase on agent-based business initiatives. Yuga Kohler will succeed him as Head of Engineering.