The Underyling Technologies and Guiding Principles Behind Privacy Coins

Ransomware virus encrypts users’ data and documents, and the ransom demanded is no longer US dollars, but Bitcoin (provided the Bitcoin payment address) With Bitcoin, virus writers no longer need to provide bank card numbers that involve personal information and are completely anonymous. Virus writers can then use bitcoin to make transactions, redeem goods and merchandise on the black market. But there is still a big problem with Bitcoin’s anonymity. The anonymity of bitcoin addresses is only a pseudonym (or alias)