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Coinbase: x402 Protocol Launches Major Updates, Now Supports All ERC-20 Tokens

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On March 17, Coinbase announced that the x402 protocol update has been deployed, introducing major changes including full support for all ERC-20 tokens. Developers can now accept on-chain payments in USDC, EURC, and meme coins using EIP-3009 and Permit2. The update also introduces a Sign-in-with-X feature, enabling users to access content via wallet login. The x402 MCP package is now available, allowing developers to monetize MCP tools and integrate them into AI workflows. These cryptocurrency updates are designed to enhance the platform’s utility for both creators and users.

BlockBeats news, on March 17, Coinbase Developer Platform announced that the x402 protocol has rolled out several key updates:


All ERC-20 tokens are now supported; developers can accept on-chain payments for any ERC-20 token, including USDC, EURC, and even meme coins, using EIP-3009 and Permit2.


Added Sign-in-with-X functionality, allowing buyers to log in with their wallets to access purchased content, enabling sellers to offer payment-free access to returning customers, with support for EVM and Solana wallets;


Launch the x402 MCP package to enable developers to monetize any MCP tool and integrate it directly into AI workflows.

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