http://e55lzoju6enqswtvm66sk3uqukcin3377ehgiorplj4d7qyssipls4yd.onion/en/blog/how-do-you-make-your-bitcoin-transaction-the-most-anonymous.php
In blockchain technology , however, everyone can see the information in the database. With banks that offer services like wire transfers and credit card purchases, most of the time, the payment merchant is required to give the individuals' transaction history to the authorities.