A 2-wallet Samourai Stowaway offers to make transactions private by masking user identity while keeping funds safe.
Bitcoin Transactions Are Pseudo-Anonymous
Bitcoin (BTC) 00 transactions are often described as anonymous because users can exchange the cryptocurrency without providing any personally identifying information.
However, Bitcoin transactions are pseudo-anonymous. The history of each Bitcoin transaction is permanently stored on the blockchain. And, anyone can track and view this information.
The abstract of BIP0069 describes the issue of the leak of private information, as follows,