When you make a transaction with Dai, your identity is not revealed. This is because Dai transactions are made on the Ethereum blockchain, which is a decentralized platform that does not require you to provide your personal information. However, it is important to note that while your identity is not reveal, the transaction itself is public and can be seen by anyone on the Ethereum blockchain. So, to answer the question, yes, Dai transactions are anonymous. However, it is important to keep in mind that while your identity is not revealed, the transaction itself is public.