What does this Practice Note cover? This Practice Note provides an overview of the legal, regulatory, and contractual issues relevant to crypto derivatives in the UK, with a particular focus on property treatment, collateralisation, standardisation through ISDA, and the UK regulatory framework. This Practice Note is primarily concerned with derivatives that reference native cryptoassets, such as Bitcoin and Ether. These products are widely traded on liquid, decentralised markets and exhibit significant price volatility. These characteristics create strong market incentives for trading and speculation, while also generating demand for hedging tools to manage price risk and facilitate price discovery. In turn, this has driven the development of standardised derivatives markets around these assets. What are crypto derivatives? Crypto derivatives are financial contracts whose value is derived from an underlying digital (or crypto) asset. In practice, most such products reference specific ‘cryptoassets’—for example, Bitcoin or Ether—but the same principles can apply to other digital representations of value used as underlying assets. The terms ‘digital asset’ and ‘cryptoasset’ are often used interchangeably. The term ‘digital asset’ is generally used in a broad or