Blockchain has the potential to transform asset transactions and ownership tracking by reducing counterparty risk, speeding up settlements, and enhancing recordkeeping. As blockchain technology evolves and gains wider acceptance, its use is likely to expand across various asset types, including real and personal property and digital assets. However, unresolved legal issues in the U.S. may create uncertainty in blockchain transactions. This article, written by Douglas J. Pepe, Marvin J. Lowenthal, and Randall W. Bryer for the European Journal of Law Reform, explores key legal challenges and how courts and legislatures are addressing them.