This book discusses the dogmatic (that what is settled) and the dynamic (that what is changing) aspects of the relationship between blockchain and the law from a critical perspective. With contributions from legal and financial experts involved in both academy and business from Europe, Africa and North and South America, the book looks at the abstract complexities and practical challenges of regulating blockchain technology and its developments, such as crypto assets and smart contracts, from the perspectives of financial, tax, civil, and international law. Moreover, the book also delves into some exciting and cutting-edge related topics such as blockchain applications for litigation, CBDC and elections. The volume offers insightful considerations that will be helpful for legal practitioners involved in the crypto and Distributed Ledger Technology (DLT) phenomenon. Francisco Pereira Coutinho is Associate Professor at the Nova School of Law in Lisbon, Portugal. Martinho Lucas Pires is Teaching Assistant in the Department of Law of the Universidade Católica Portuguesa in Lisbon, Portugal. Bernardo Correia Barradas is a Lawyer and Senior Legal Advisor in payments in Washington DC, United States.