Instant onchain payment button for merchants and dApps, enabling direct ETH or USDC transfers to a treasury with upgradeable smart contract architecture. Built for Base ecosystem using modern Solidity standards and Hardhat tooling.
smart-contracts payments solidity base payment-button pay-sdk base-node l2 hardhat graph-node onchain base-web wagmi uups-proxy base-network onchainkit base-mainnet
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Updated
Nov 13, 2025 - Solidity