Bip39 Binary Default variety of iterations Utilized in wallets is 2048. Growing this amount need to help it become more secure against brute drive assaults, having said that you'll have to retailer this worth. To accessibility your wallet with tailor made PBKDF2 you'll want to use this script (or equivalent) https://active-bookmarks.com/story18905155/bip39-generatemnemonic-the-best-side-of-bip39