We introduce economic research on blockchains and its recent advances. In particular, we highlight unifying concepts on blockchain as decentralized consensus and its core benefits, (ii) equilibrium characterizations and allegedly irreducible tensions among consensus formation, decentralization,...

This handbook provides an overview of various criminal activities related to cryptocurrencies, including investment scams, Ponzi schemes, rug pulls, ransomware attacks, money laundering, and darknet markets. We discuss the need for user protection and education, centralized entities and...