The original purpose of Bitcoin was to create digital cash. It is possible to track the transaction history of funds in a bitcoin address, but there is currentl

The original purpose of Bitcoin was to create digital cash. It is possible to track the transaction history of funds in a bitcoin address, but there is currently no central authority who can blacklist/lock addresses, and most of the major participants in the bitcoin system (users, miners, exchange operators, darknet drug markets) are not interested in changing that.