ChainCatcher message indicates that according to a document released by the UK Treasury, the UK will exclude "unsecured" cryptocurrencies from the Digital Securities Sandbox (DSS) program. The main goal of the DSS program is to create a more flexible regulatory environment for digital securities, including native digital securities and tokenized representations of existing securities.It will exclude "unsecured" crypto assets, including Bitcoin and Ethereum, which the Treasury collectively refers to as asset types closely related to the development of new technologies such as Distributed Ledger Technology (DLT), and this asset type also includes exchange tokens. (Source link)