Published in 2018, Blockchain for Business Lawyers was a timely collaboration between Jones Day lawyers and the ABA’s Science & Technology Section, providing much-needed information on what was then a promising but not widely understood technology. Jones Day’s Mark Rasmussen and Sam Walling discuss how new cryptocurrency offerings, technological improvements, case law developments, tax law applications, and advances in decentralized finance led to the writing, editing, and publication of Blockchain for Business Lawyers, Second Edition.