Bip39 javascript https://rentry.co/p68weyby However on regular it'll take 50 % some time provided while in the tables under for an attacker to obtain the right passphrase This extra complexity improves the chance of misplacing the passphrase, and therefore dropping your copyright. BC Vault - A components wallet that supports BIP39 https://artybookmarks.com/story20278370/bip39-eth-the-5-second-trick-for-bip39-compatible-wallet-https-dzen-ru-bip39-phrase-com