Bip39 Download Default number of iterations Utilized in wallets is 2048. Raising this number ought to ensure it is safer against brute power attacks, on the other hand you'll have to keep this price. To obtain your wallet with custom PBKDF2 you ought to use this script (or very similar) https://bookmarklayer.com/story18717461/bip39-tangem-bip39-word-list-secrets