It is unclear if Musk plans on using an existing blockchain, such as Bitcoin’s, Ethereum’s, Dogecoin’s, or if he would rather create a new, purpose-built blockchain

Elon Musk, in his X post on February 5 about blockchain adoption for U.S. Treasury transactions, does not specify if he plans to utilize existing blockchains like Bitcoin, Ethereum, and Doge, or launch a new dedicated blockchain