The first global comparative study of cryptoasset regulation by the Cambridge Centre for Alternative Finance provides a comprehensive, systematic, and comparative analysis of the current regulatory landscape of cryptoassets and related activities. The study covers 23 jurisdictions and is based on both desktop research and in-person interviews with regulators and policymakers. The report aims to compare and contrast various regulatory approaches and practices with regards to cryptoassets in a number of jurisdictions and shed light on current regulatory challenges and opportunities. The study serves as a practical and analytical tool for regulators, market participants, and other stakeholders in the cryptoasset ecosystem. Section 1 sets out a theoretical framework to conceptualise cryptoassets and related activities. It looks at three key aspects in a regulatory context: (1) the nature and form of cryptoassets, (2) the issuance of cryptoassets, and (3) intermediated activities in the life cycle of cryptoassets. A number of regulatory recommendations are brought forward. Section 2 provides a global comparative analysis of cryptoasset regulation in 23 jurisdictions. It examines regulatory authorities regulating cryptoassets, their current definition and classification of cryptoassets and related activities, as well as regulatory processes and responses (e.g. existing regulation, retrofitted regulation, bespoke regulation and bespoke regulatory regime). Section 3 highlights some of the most salient challenges and potential gaps that stem from the development and implementation of cryptoasset regulation. Section 4 consists of an in-depth analysis of cryptoasset regulations in 23 jurisdictions that constitute the backbone of the comparative analysis.