ゼロ知識 ちしき証明 しょうめいではありませんでした
zerochishikishōmeidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ゼロ知識証明

1. Was not zero-knowledge proof.; Was not a zero-knowledge proof.

Past/Perfective
Negative
Polite
Formal Register
Computing