Blockchains are a new settlement and ownership layer, one that’s programmable, open, and global by default, unlocking new forms of entrepreneurship, creativity, and infrastructure. Growth in monthly active crypto addresses is generally tracking the
Prediction markets are a hot topic again — even cartoon characters are talking about them (cf South Park). But beyond the buzz, what is a prediction market, exactly? How do they work, how are they designed, and what makes them work?
We answer all
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.