Circle CCTP is how USDC moves across chains without a naive hop
Cross-chain USDC is plumbing for multi-network x402, not a 402 spec.
product
USDC
Dollar stablecoin used as the unit of account on Foundry’s first x402 rail.
Machine: /v1/intelligence/entity/usdc · Graph: /v1/graph/entities/usdc
Graph relationships
- circle
- evt-circle-arc-announced-2025-08-12
- evt-circle-arc-public-testnet-2025-10-28
- evt-circle-cctp
- evt-circle-usdc-agent-settlement
- evt-genius-act-2025-07-18
- evt-govinfo-genius-act-pdf
- svc-accessibility_contrast_calculator
- svc-data_compatibility_checker
- svc-machine_economy_changes_since
- zfinia
Timeline
GovInfo hosts the enrolled GENIUS Act text as Public Law 119-27
Primary statute text, not a law-firm explainer.
The US GENIUS Act becomes Public Law 119-27
A federal payment-stablecoin statute, not an on-switch for agent commerce.
Circle introduces Arc, an L1 purpose-built for stablecoin finance
USDC-as-gas on an EVM L1 is issuer infrastructure, not an x402 competitor.
USDC is the default settlement asset across x402, Base and several agent rails
Circle’s dollar token is the unit most machine-payment demos actually move.
Circle launches the Arc public testnet
Issuer infrastructure moved from blog to a public test network.