Zero-Knowledge Proofs
Prove a statement is true without revealing anything except that it’s true.
A zero-knowledge proof lets one party (the prover) convince another (the verifier) that a statement is true — “I’m over 18,” “this transaction is compliant,” “this agent acted within policy” — without revealing any of the underlying data that makes the statement true.
The guarantee is precise: the verifier learns exactly one bit of information (true/false) and nothing else, no matter how the proof is constructed. That property makes ZKPs a natural fit anywhere a compliance check, identity check, or policy check needs to be independently verifiable without handing over the source records behind it.
How It Works
Zero-Knowledge Proofs in four steps
Statement & Witness
The prover defines the claim to prove and the private data (the “witness”) that supports it.
Proof Generation
A cryptographic proof is generated from the witness — without exposing the witness itself.
Proof Verification
The verifier checks the proof against the public statement, independent of the prover.
Verified Outcome
The verifier is convinced the statement is true — having learned nothing else.
Real-World Applications
Where ZKP shows up in production
Privacy-Preserving Identity & KYC
Prove you’re a verified customer, or over an age threshold, without revealing your date of birth or full ID.
Compliance Attestations
Prove a transaction or process met regulatory requirements without exposing the underlying records to the auditor.
Blockchain Scaling & Privacy
zk-rollups bundle many transactions into one proof, verifiable on-chain without revealing individual transaction details.
Agentic Policy Verification
An autonomous agent proves it acted within policy — see Trusted Agents — without disclosing the account or credentials behind the action.