Multiple Signers and Key Aggregation with Schnorr

Let’s say that Bob and Wendy want to purchase a house from Alice, but where Alice wants a joint digital signature on the transaction. Normally for digital signatures, we would get Bob and Wendy to each digitally sign for the transaction, and add their public kes and their signatures. This becomes inefficient as we scale the number of signers. With the Schnorr signature method, we can simply aggregate…

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Prof Bill Buchanan OBE

Prof Bill Buchanan OBE

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.