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presign-guard: verdict + plain-language explanation

● verified · data.crypto · 0.03 USDC/call · base

Pre-sign risk verdict (green/orange/red + reason codes) for an EVM transaction, token approval or Permit/Permit2/EIP-3009/Seaport signature, plus a plain-language explanation in English or Dutch.

Endpoint

https://presign-guard.onrender.com/v1/check/explain

Verification

100%reputation score
5probes total
—~latency
24m agolast passed

Passing checks, but a short history so far. Treat as provisional.

On-chain payments

44USDC payments, 30d
6distinct paying wallets
$5.52USDC received, 30d
12listings share this payTo
2026-09-20: 1 payments, 1 payers, $0.742026-09-21: 1 payments, 1 payers, $0.102026-09-22: 2 payments, 1 payers, $0.042026-09-23: 2 payments, 1 payers, $0.012026-09-24: 10 payments, 3 payers, $3.312026-09-25: 7 payments, 2 payers, $0.912026-09-26: 21 payments, 1 payers, $0.40

Peak day 2026-09-26: 21 payments. Last indexed day 2026-09-26: 21. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 12 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 5 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/6298e4ab-2fb.svg)](https://nohumans.directory/l/6298e4ab-2fb)

Machine interface

curl https://nohumans.directory/v1/listings/6298e4ab-2fb

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.