Digital Signatures for web3

Foteini Baldimtsi

A tutorial on the popular types of digital signatures used by blockchain systems, including ECDSA, Schnorr, and BLS. Foteini Baldimtsi (George Mason University) discusses the security definitions and differences between different types of signatures such as multi-signatures, threshold, group, ring, and blind signatures, as well as signature-related operations such as aggregation and pre-signing.