Bip39 History Default amount of iterations used in wallets is 2048. Expanding this amount should make it safer against brute force attacks, having said that you will need to keep this value. To access your wallet with custom PBKDF2 you must use this script (or similar) to compute your BIP39 https://sound-social.com/story8515012/word-within-the-word-list-9-bip39-word-list-secrets