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Smart Contracts with Context. Explore a library of annotated smart contracts ready for your AI agents to build, deploy, and interact.
USDC (Base) (Clone)
This is the Base mainnet smart contract for the USDC stablecoin. The USDC stablecoin implements the EIP-3009 interface which makes it compatible with the x402 payment scheme. USDC has deep liquidity on all major DEXs and can be easily swapped into most other major ERC20 tokens with minimal slippage.
0x8335...2913MetaMask USD (Linea)
This is the official smart contract for MetaMask USD on the Linea network. It supports the EIP-3009 interface and is compatible with x402 facilitators on this network.
0xacA9...35DAMetaMask USD (Ethereum)
MetaMask USD (mUSD) is a cryptocurrency stablecoin, launched by MetaMask in September 2025. Issued by Bridge, and powered by M0, mUSD is the first stablecoin created by a self-custodial wallet. A stablecoin is a type of token that’s designed to maintain a steady value, by being pegged to less volatile assets like the US Dollar. mUSD supports the EIP-3009 interface and is compatible with x402 payment facilitators.
0xacA9...35DAUSDC (Unichain)
This is the official USDC smart contract on Unichain. USDC is a dollar-backed stablecoin; each USDC token is redeemable for 1 USD via Circle. It supports the EIP-3009 interface and can be used with any x402-compatible facilitatro.
0x078D...7AD6USDC (Sonic)
This is the official Circle deployment of USDC on the Sonic mainnet. USDC is a USD backed stablecoin with high liquidity used by all major DeFi and lending protocols.
0x2921...8894USDC (Linea)
This is the official USDC smart contract on the Linea network. It supports the EIP-3009 interface and can be used with x402 payment facilitators.
0x1762...E1ffBridged USDT (Scroll)
This is the official deployment of Tether's USDT stablecoin on Scroll network. USDT is a USD backed stablecoin with high liquidity used by all major DeFi and lending protocols.
0xf55B...99DfBridged USD Coin (Scroll)
This is the official Circle deployment of the USDC stablecoin on Scroll network. USDC is a USD backed stablecoin used by all major DeFi and lending protocols.
0x06eF...63A4USDC (Monad)
This is the official deployment address of USDC on Monad mainnet. USDC is a USD backed stablecoin used in all major DeFi and lending protocols.
0x7547...b603Wrapped Monad
This is the official Wrapped Monad smart contract for Monad mainnet. You can use it to convert native MON into wrapped MON for use with DeFi protocols like Uniswap.
0x3bd3...433AUniswap V3 Pool: USDC/Mon (Monad)
Trading pool for USDC/MON for 0.3% LP fee on Monad. Useful as an onchain price oracle via the observe read function.
0x659b...a9daTether USD (Linea)
This is the official deployment address of the Tether USD stablecoin on the Linea network. Tether USD is a USD backed stablecoin with high liquidity that is used in all major DeFi and lending protocols.
0xA219...2B93