Prove what happened.

Born shielded. Without exposing what you spent.

Use cases

Agent builders

Prove your agent followed its rules

Register agent identity. Commit policy constraints. Attest every action. Third parties verify compliance without seeing the wallet.

AGENT_REGISTER AGENT_POLICY AGENT_ACTION

Auditors

Audit trail without exposing transactions

Every lifecycle event committed to a Merkle tree. Roots anchored to Zcash. Share the proof bundle, not the books.

HOSTING_PAYMENT SHIELD_RENEWAL

Bug bounty programs

Verifiable disclosure timeline

Attest each step: submission received, triage started, patch confirmed, embargo lifted. The timeline is on-chain. No disputes.

PROGRAM_ENTRY CONTRACT_ANCHOR

DeFi agents

Private funding, public performance

Agent trades cross-chain. Funding source is shielded. Trading history attested. Prove performance without revealing the wallet.

BOND_DEPOSIT STAKING_DEPOSIT

Mining operators

Every payout proved

Block mined, payout sent, hosting paid, ownership transferred. The full lifecycle anchored. Participant verifies without trusting the operator.

DEPLOYMENT HOSTING_PAYMENT

Governance

Proposals, votes, results on-chain

Submit a proposal. Cast a vote. Record the outcome. All attested with deterministic hashes. Recount anytime.

GOVERNANCE_PROPOSAL GOVERNANCE_VOTE

Pricing

Free

All packages, crates, MCP access, and the verify page. 5 attestation leaves per day. Community support via GitHub issues.

Open access

Builder

Everything in Free, plus an authenticated API key, 100 attestation leaves per day, auto-anchoring, webhooks, email support, and a usage dashboard.

$49/mo

or equivalent ZEC

Start Builder

Operator

Everything in Builder, plus unlimited leaves, cross-chain verification, priority anchoring, custom event types, webhook delivery, a dedicated support channel, and a 99.5% SLA.

$299/mo

or equivalent ZEC

Start Operator

Custody

Everything in Operator, plus a managed dWallet, multi-chain signing, Sui Move policy enforcement, FROST signing for shielded Zcash, compliance reporting, custom integration support, and a 99.9% SLA.

FROST dWallet multi-chain

$999/mo

or equivalent ZEC

Custody access

Free is the trial. Paid tiers check out in shielded ZEC today. Read and verify endpoints stay open to everyone.

Recent receipts

Apr 17

CVE-2026-40881 / GHSA-xr93-pcq3-pxf8

Zebra addr/addrv2 deserialization DoS. Reporter: Zk-nd3r.

Apr 14

librustzcash PR #2278 merged

Merged as f646a111 by nuttycom into zcash/librustzcash.

Apr 14

ZecHub wiki PR #1547 merged

Add ZAP1 Attestation Protocol to Zcash Tech. Merged as e6d2b7e by zksquirrel into ZecHub/wiki.

Public record.

How it works

1. POST /attest with your event data
2. Get back leaf_hash + verify URLs
3. Leaves batch into a Merkle tree
4. Root anchors to Zcash via shielded memo
5. Anyone verifies: leaf -> proof path -> root -> txid -> block height
6. Cross-chain: Solidity verifier on Ethereum checks the same root

Connect

MCP server: npx @frontiercompute/zcash-mcp
OpenClaw plugin: clawhub install @Zk-nd3r/zap1-zcash-attestation
npm: npm install @frontiercompute/zap1
Rust: cargo add zap1-verify
API docs: api.frontiercompute.cash/protocol/info
Protocol map: frontiercompute.cash/protocol.html

FAQ

What gets anchored on-chain?

The Merkle root. Individual events stay off-chain until you share the proof. The root is a 32-byte hash in an Orchard shielded memo. Nobody can see the events from the anchor alone.

Do I need a Zcash wallet?

To verify: no. Proof bundles are JSON. Check them with curl, the browser verifier, or the SDK. To pay: yes, you need a wallet that supports Orchard (Zodl, Zashi).

What if your server goes down?

Your proofs still verify. The anchor transaction is on Zcash permanently. The Merkle proof is a standalone JSON file. You can verify it with zap1-verify (Rust/WASM) or the Solidity verifier on Ethereum. No server trust required.

Can I run my own instance?

Yes. MIT licensed. git clone, generate keys, docker-compose up. The conformance kit validates your instance against the spec. 80 tests, published vectors.

view access tiers

Read the current attestation access bands and operator support path.

open access