Existing Seed Phrase Generator Default range of iterations used in wallets is 2048. Escalating this amount really should allow it to be safer from brute pressure attacks, nevertheless you'll have to store this value. To accessibility your wallet with customized PBKDF2 you need to use this script (or comparable) to https://socialbuzzfeed.com/story4153988/bip39-seed-words-considerations-to-know-about-seed-phrase-generator