Bip39 Offline Default range of iterations Utilized in wallets is 2048. Growing this amount should really ensure it is safer versus brute power attacks, having said that you will have to retailer this worth. To access your wallet with customized PBKDF2 you need to use this script (or equivalent) to https://sirketlist.com/story20108825/bip39-passphrase-empty-for-none-considerations-to-know-about-seed-phrase-generator