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Updated
Aug 9, 2025 - TypeScript
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xmtp-chat
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DMPay is a decentralized USDC-gated messaging protocol built on Ethereum. Recipients set their own price per DM — senders pay in USDC to open a conversation, delivered via XMTP. Profiles are registered onchain via ENS subdomains ({handle}.dmpay.eth), verified through X (Twitter) Oauth.
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Updated
Mar 4, 2026 - Solidity
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