POA

USDC payments for people, apps, and agents. Production network, chain ID 77, with zero network fees for transfers.

Make your first payment Connect an agent

POA is the public payment network; 2d is the name of its implementation. These guides describe the current capabilities of production chain 77.

Start here

Connect a wallet, get USDC, and make a payment. Agents receive an assigned wallet and API token; the signing key stays in 2d-hsm.

Wallet · Agent

Integrations

REST for network data, JSON-RPC for wallets, Agent Gateway for agents, and x402 for HTTP payments.

API reference · Gateway · x402

Architecture

One account in Ethereum and Tron formats, built-in programs, verified state, and the Ethereum bridge.

Addresses · Precompiles · Bridge

Security

Producer and verifier trust boundaries, key custody, block signatures, and the system’s limits.

Security model · Signing in the TEE

Operations

Verify blocks, operate signing infrastructure, and monitor the bridge. Explorer publishes deployed component versions.

Verifier · Monitoring · Network status

Before your first payment

Transfers within POA need no gas token. Bridge deposits require Ethereum gas and Ethereum finality. Withdrawals to Ethereum are currently disabled. POA payment finality starts with inclusion in a block.

POA home · Explorer guides