Initialize Sandbox

Get a sandbox API key, then test ML-KEM-768 hybrid encrypt and ML-DSA-signed blind custody deposits.

Authentication Flow

Blind deposit requires your sandbox API key plus an HMAC request attestation (computed in-browser). Only Shard 3 and your ML-KEM public keys are sent.

curl -H "X-API-Key: vj_live_..."
  -H "X-Sandbox-Timestamp: ..." \
  -H "X-Sandbox-Attestation: ..." \
-X POST /api/web3/vault/blind-deposit

Blind Custodian Sandbox

Test the Zero-Liability architecture locally.
POST /api/web3/vault/blind-deposit
Awaiting request...