Bip39 To Public Key Default range of iterations used in wallets is 2048. Rising this selection should really help it become safer against brute drive attacks, even so you'll need to retailer this benefit. To access your wallet with customized PBKDF2 you should use this script (or very similar) to https://bookmarkprobe.com/story18789764/bip39-mnemonic-phrase-generator-details-fiction-and-bip39