Brian has handled some of the first and most prominent cryptocurrency and blockchain cases before state and federal regulators (like the SEC and CFTC) and in federal courts around the country in places as diverse as the New York City, Los Angeles, Denver, Seattle, and San Francisco. As an example, he represented Bitcoin pioneer Erik Voorhees in his landmark SEC settlement. He also handled a matter involving the first bankruptcy reported decision in which whether bitcoin is a currency or property was at issue. As another example, he currently represents Arthur and Kathleen Breitman, as well as their company, in connection with securities class action lawsuits involving the Tezos crowdfunding, which raised over $230 million. He founded and chairs the board of directors of the non-profit Digital Currency and Ledger Defense Coalition and chairs the American Bar Association’s blockchain technology, digital currency, and ICO national institute, which took place in New York City this year. He formerly volunteered as the outside general counsel and chair of the legal advocacy committee for the Bitcoin Foundation. He speaks about Fintech around the world, including at global law firms, major payments and technology companies, and industry conferences.