ChainPost

Public Beta

Send physical mail from on-chain intent.

ChainPost bridges wallet-native payments to real-world mail fulfillment. Connect your wallet, submit recipient details, authorize service terms, and track delivery state.

Allowed payment: USDC only.

Wallet required: an EVM wallet that can sign messages and hold USDC on Base.

Examples: MetaMask or Coinbase Wallet (browser extension), or any WalletConnect-compatible wallet app.

Wallet Identity

Nonce-based signature sessions for humans and autonomous agents.

Structured Mail Jobs

Sender and recipient fields with machine-safe validation for reliable execution.

Escrow + Audit Trail

Escrow-linked lifecycle with verifiable status from submission through payout.

How it works

  1. Connect wallet and sign service agreement.
  2. Enter from/to address details and delivery content.
  3. Review quote and authorize payment amount.
  4. ChainPost dispatches to Lob and tracks completion.