Dean ARMSTRONG KC

Dean is a top ranked, award-winning King’s Counsel Barrister in the United Kingdom. He has represented clients in numerous high profile cases and is a trusted advisor on a wide range of legal issues. He has deep expertise in criminal and civil corporate responsibility, law, cyber law, Artificial Intelligence, data law including GDPR, blockchain, cryptocurrencies and NFTs.

His accolades include:
Chambers & Partners No.1 Silk for Cryptoassets 2024, 2025 (current)
Legal 500 Leading Silk for Crypto and Blockchain Assets 2025 Edition (current)
Frequent speaker at international conferences and in the media

Career:
Called to the Bar in 1985, Dean spent six years specialising in corporate finance law. He turned his attention to digital assets and cyber law before these areas had become mainstream and he has been, and continues to be, instructed in the leading cases in this field.

He is dedicated to exploring issues relating to cyber law, data protection and the significant legal challenges that these areas pose to businesses, the not-for-profit sector, and other entities. Dean is the only Silk to lead on the Commercial Bar’s response to the Law Commission on its draft on digital assets and has advised on the draft Virtual Asset Service Provider Rules.

Seen as the go-to advisor in this space, he is currently instructed in the largest matters in the crypto/data and AI area.

Notable Cases:
D’Aloia v (1) Persons Unknown (2) Binance and Others [2022] EWHC 1723 (Ch)
Sports data rights
Counsel to facial recognition company on personal data
Multi-million pound divorce case involving cryptocurrency
Securing service of legal documents by NFT – a first in England and Wales and only the second in the World
Representing an overseas institutional client in the FTX insolvency
Acting on behalf of several large data protection classes in class actions
Advising a leading international auction house on its first NFT auction.