Private Deposit·Circuit 1 (KYC)

ZK-KYC Deposit

Deposit assets with a zero-knowledge KYC proof. Your identity is verified by the anchor but never written to the chain — only a Poseidon2 commitment is stored.

Input

SEP-10/12

ZK Proof

Transaction

Complete

Stellar Secret Key

Never transmitted — used locally to sign the SEP-10 challenge

Amount

Asset

KYC Hash (hex)

Poseidon2 hash of your KYC credential from your identity provider

View Key (optional)

Separate key for regulatory disclosure — cannot spend funds

What happens under the hood

🔑SEP-10Your key signs the anchor challenge — proves Stellar account ownership

🪪SEP-12 PUTAnchor receives credential_commitment = Poseidon2(kyc_hash, secret)

⚡Noir ProofCircuit 1 proves commitment validity without revealing kyc_hash or secret

📦Sorobandeposit(proof, amount, asset, commitment) stores shielded note on-chain

Deposit Proof Flow

KYC Hash

Poseidon2(credential)

→

Commitment

Poseidon2(hash, secret)

→

Noir Circuit

UltraPlonk prove()

→

ZK Proof

~3.2KB PLONK proof

→

SEP-12 PUT

anchor.stellar.org

→

Soroban TX

deposit(proof, amount)