Bitcoin Recovery’s operation including comprehensive combination of passwords, covering all possible elements in a password (upper/lower cases, numbers / special symbols) to avoid missing out any character. You need to generate a list of potential password phrases based on your best guess for your password，and decryption is based on the rules you set up，the computer will combine all the characters you selected in a certain order，then it can create a highly optimized multi-threaded program to perform the brute-force decryption until it succeeds，The better the computer's CPU（with as many cores as possible），the faster the decryption.