Ethereum
The Layer 1 blockchain whose ecosystem hosts the majority of x402-compatible chains and stablecoin liquidity.
Related terms
- Base - Coinbase's Layer 2 optimistic rollup, the primary settlement network used by x402 because of its low fees and native USDC support.
- USDC - USD Coin - a dollar-pegged stablecoin issued by Circle and the default settlement asset for most x402 deployments.
Recent stories
PROTOCOL
- Coinbase Q1 call: 99% of x402 settled in USDC, 90% of agentic stablecoin volume on Base - Choi calls x402 'the open standard for the next wave of agentic commerce' · theglobeandmail.com
- Circle ships Nanopayments on mainnet - gas-free USDC down to $0.000001 across 11 chains, fully x402 v2 compatible · circle.com
- Kite ships mainnet + Agent Passport - first x402-native chain with programmable agent wallets goes live · globenewswire.com
- Utexo enables USDT payments on x402 with near-instant Bitcoin-native settlement · prnewswire.com
- AWS Bedrock integrates x402 - first major cloud provider with native HTTP 402 payment rails for agents · cryptobriefing.com