Bip 39 Github Default variety of iterations used in wallets is 2048. Growing this variety really should enable it to be more secure towards brute power attacks, even so you will have to keep this benefit. To obtain your wallet with customized PBKDF2 you need to use this script (or https://nybookmark.com/story20614509/bip39-seed-word-list-a-review-of-seed-phrase-generator