AFFIXIO
WP-014
AffixIO Research
Double-Spend Prevention for Zero-Knowledge Proofs
One eligibility proof should not work for ten people.
Zero-knowledge credentials fail operationally when the same proof gets shared or replayed. AffixIO tracks proof consumption digests and binds proofs to session nonces so each eligibility check fires once, without storing identity attributes.
Summary
Zero-knowledge credentials fail operationally when the same proof gets shared or replayed. AffixIO tracks proof consumption digests and binds proofs to session nonces so each eligibility check fires once, without storing identity attributes.
Download the full PDF for technical detail, diagrams, and reproduction steps. Public sandbox: affix-io.com/sandbox.