Gate News, March 11 — Stablecoin issuer Circle announced the launch of the Circle Nanopayments testnet. This payment infrastructure supports USDC transfers with a minimum of 0.000001 USD and enables single transactions to be gas-free, aiming to provide a basic payment layer for the agent economy.
Nanopayments is built on Circle Gateway. By aggregating off-chain transactions and batching delayed on-chain settlements, it packages thousands of micro-payments into a single on-chain settlement, avoiding gas costs for each transaction. Developers can use this to implement pay-per-call, pay-per-use, and machine-to-machine payment scenarios.
Technically, users or agents sign an EIP-3009 authorization message when initiating a payment. The system verifies the signature, updates the internal ledger instantly, and confirms the payment, while actual on-chain settlement is completed periodically in the background.
Circle states that this solution has been validated through collaboration with open-source robot developer OpenMind. For example, an autonomous robot dog can use Nanopayments to automatically pay for charging fees with USDC.
Currently, Nanopayments is available on testnets for Ethereum, Arbitrum, Optimism, Avalanche, Base, and Polygon.
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