Protocol & Consensus • Estimated 60m

Discrete Log Equivalency (DLEQ)

protocol.discrete-log-equivalency

DLEQ proofs show two public keys share the same secret scalar without revealing that scalar. They are building blocks for adaptor signatures, atomic swaps, and scriptless constructions.

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Curated resources (3)

• Bitcoin Optech Topic: Discrete Log Equivalency (article) Bitcoin-focused usage of DLEQ in contract and signing protocols.
• Bitcoin Optech Topic: Adaptor Signatures (article) Practical relation between DLEQ and adaptor signature flows.
• Mastering the Lightning Network (book) Useful context on scriptless protocols that use DLEQ-like constructs.

Direct prerequisites (1)

• Adaptor Signatures

Direct dependents (0)

• None

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