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David Chaum

Cryptographer who pioneered blind signatures, mix networks and DigiCash, establishing key privacy and digital-cash foundations before Bitcoin.

Cryptographer who pioneered blind signatures, mix networks and DigiCash, establishing key privacy and digital-cash foundations before Bitcoin.

Cryptographer who pioneered blind signatures, mix networks and DigiCash, establishing key privacy and digital-cash foundations before Bitcoin. The linked coordinates show the person's projects, ideas, disputes and historical effects.

Inclusion documents influence, not endorsement. Separate verifiable work and public record from reputation, marketing and speculation.

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Influence is not endorsement

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Claims are linked to a source record

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Related entries show projects and disputes

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People do not control Bitcoin consensus

DOC · 001David Chaum — eCashPrimary
Reviewed 25 July 2026Source-first · No investment advice