ZK Identity
Privacy-preserving, reusable identity credentials.
What it does
ZK Identity is the module beneath SBX ID. A participant is verified once and receives a soulbound, non-transferable on-chain credential. When a product needs to confirm eligibility, the module produces a zero-knowledge proof that the relevant condition holds, so the verifier learns that the participant is eligible or AML-cleared without ever seeing the passport or tax document behind it. The credential is chain-agnostic and reusable across the ecosystem.
Powers
Works with
How it works
ZK Identity underpins SBX ID and feeds the Compliance Engine. Any module that needs to confirm eligibility, from Tokenisation to Settlement, calls it for a zero-knowledge proof rather than handling personal data directly.
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1/3 · Verify once. The user completes KYC once. SBX ID issues a verifiable credential into their wallet, anchored by a soulbound token.
Key capabilities
Soulbound credentials
A non-transferable credential ties verification to its owner and cannot be sold or lent.
Zero-knowledge proofs
Platforms receive proof that a condition holds, never the documents behind it.
Reusable across the ecosystem
Verify once, then use the same credential across every SUPERBLOCK product.
Privacy-preserving
Personal data stays off-chain and under the holder's control.