Bip39 Generator Offline Default number of iterations used in wallets is 2048. Rising this selection should help it become safer versus brute force attacks, on the other hand you'll need to shop this benefit. To accessibility your wallet with personalized PBKDF2 you should use this script (or equivalent) to calculate https://e-bookmarks.com/story4213010/bip39-mnemonic-code-the-basic-principles-of-seed-phrase-generator