zero knowledge proof (noun)
A mathematical method by which one party (the prover) can prove to another party (the verifier) that something is true, without revealing any information apart from the fact that this specific statement is true.
CyberWire Glossary link: https://thecyberwire.com/glossary/zero-knowledge-proof
Audio reference link: Staff, 2022. Zero Knowledge Proofs [Video]. YouTube. URL https://www.youtube.com/watch?v=5qzNe1hk0oY