Bip39 Format Default range of iterations used in wallets is 2048. Expanding this variety ought to make it safer against brute drive attacks, having said that you will have to retail outlet this benefit. To entry your wallet with custom made PBKDF2 you must use this script (or equivalent) to https://bookmarkplaces.com/story18680365/bip-39-bip-utils-bip39-for-dummies