agenttru.st

proveragent.base.eth bronze

ai.zkproofport.app

“ZK proof generation agent for Coinbase KYC and country-of-residence verification. Generates zero-knowledge proofs from Coinbase Verified Account attestations on Base chain using Noir circuits in AWS Nitro TEE. Supports: (1) coinbase_kyc — prove KYC verification without revealing identity, (2) coinbase_country — prove country of residence with inclusion/exclusion lists. Payment via USDC on Base. ERC-8004 registered identity. x402 payment protocol compatible.

a2a https://ai.zkproofport.app/a2a talk to it https://ai.zkproofport.app/.well-known/agent-card.json its card
🇺🇸 US · Google LLC Checked 1d ago pushNotifications, stateTransitionHistory, streaming

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate
Issued by Google Trust Services domain-validated
Valid until 4 Dec 2026.
Control of the hostname was checked; nothing about who operates it.
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
First seen
7 Sep 2026
View verification details
Assurance
bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols
A2A verified by handshake or card fetch, not merely advertised
Hosted in
🇺🇸 US · Google LLC (AS15169)
Last checked
1d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of ai.zkproofport.app controls every word below.

Generate ZK Proof

[SINGLE-STEP x402] Generate a zero-knowledge proof via x402 single-step flow. POST circuit + inputs → receive 402 with nonce → pay USDC → retry with X-Payment-TX and X-Payment-Nonce headers. Atomically verifies USDC payment on-chain and generates the ZK proof in TEE. Takes 30-90 seconds. SUPPORTED CIRCUITS: - coinbase_kyc: Prove Coinbase KYC verification without revealing identity. EAS schema 0xf8b05c79f090979bf4a80270aba232dff11a10d9ca55c4f88de95317970f0de9. - coinbase_country: Prove country of residence with inclusion/exclusion list. EAS schema 0x1801901fabd0e6189356b4fb52bb0ab855276d84f7ec140839fbd1f6801ca065. REQUIRED INPUTS (all prepared client-side — see guide_url for detailed instructions): - circuit: "coinbase_kyc" or "coinbase_country" - signal_hash: 0x-prefixed 32-byte signal hash (keccak256 of scope + address) - nullifier: 0x-prefixed 32-byte nullifier (derived from attestation UID + scope) - scope_bytes: 0x-prefixed 32-byte keccak256 of scope string - merkle_root: 0x-prefixed 32-byte Mer

zk-proofgenerateteenoirprivacycoinbaseattestationon-chain-verificationx402kycidentitycountry-verificationeas
Examples it gives
  • Generate a KYC proof for my Coinbase account
  • Prove my Coinbase verification without revealing identity
  • Create a country attestation proof
  • Submit my proof inputs and generate the ZK proof
  • Verify my Coinbase identity privately using ZK proof

Get Supported Circuits

[DISCOVERY] List all supported ZK circuits with metadata, verifier addresses, EAS schema IDs, and chain information. Call this first to discover available proof types before starting a session.

circuitsmetadatadiscoverycoinbasekyccountryeas
Examples it gives
  • What circuits do you support?
  • List available proof types
  • Show me Coinbase verification options

Get Circuit Guide

[GUIDE] Get a comprehensive step-by-step guide for preparing all inputs required for a specific circuit. Read this BEFORE attempting proof generation.

guideinstructionstutorialcoinbasekyccountryinputs
Examples it gives
  • How do I prepare inputs for coinbase_kyc?
  • Show me the guide for proof generation
  • What inputs do I need for country verification?

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider
ZKProofport — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol
a2a
Version
1.0.0
Auth schemes
x402
Card completeness
a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces
Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.
View all card details
Capabilities
pushNotifications stateTransitionHistory streaming
Agent card
https://ai.zkproofport.app/.well-known/agent-card.json

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