A major cryptocurrency exchange and custodian in relation to various insolvency matters, including preparation of memoranda for foreign regulators on legal models for the custody of cryptocurrencies in the United States and the treatment of custodial assets in the event of U.S. bankruptcy proceedings.

A major financial institution in relation to its prospective cryptocurrency custodial offering, including structuring matters and preparation of customer documentation.

Lenders in relation to issues around taking and perfecting security over Bitcoin in the United States.

Drafting annual netting opinions for ICMA and ISLA on the GMRA and GMSLA, covering a broad swathe of U.S. counterparty types.

On the enforceability of close-out netting and related issues in connection with non-standard transaction structures and counterparty types.

On bankruptcy remoteness issues in relation to the insolvency of parties in derivatives and securities clearing chains, including customers, futures commission merchants, broker-dealers, derivatives clearing organizations, and clearing agencies.

European financial institutions on enforceability, bankruptcy, and resolution issues affecting their relationships with U.S. central securities depositories.

Acting as U.S. counsel in U.S. Chapter 15 bankruptcy filings for: Greensill Capital (UK) Limited; Virgin Atlantic Airways Limited; Cline Mining Corporation; Oilsand Quest Inc.; and Nortel Networks Corporation.