Financial markets law committee working group, Distributed ledger technology and governing law: issues of legal uncertainty fmlc.org March 2018 pdf
D. A. Zetzsche et al. The distributed liability of distributed ledgers: legal risks of blockchain, University of South Wales Law Research Studies pdf (lots of refs. in footnotes!)
Rosario Girasa, Regulation of cryptocurrencies and blockchain technologies – national and international perspectives, Palgrave Studies in Financial Services Technology 2018
UK Financial conduct authority (FCA), Guidance on cryptoassets, cp19-03.pdf January 2019
Financial Stability Board, Crypto-assets regulators directory, April 2019 pdf