Bip39 Vs Bip44 Default range of iterations used in wallets is 2048. Expanding this number must enable it to be more secure against brute force attacks, having said that you will need to retailer this benefit. To access your wallet with custom made PBKDF2 you should use this script (or https://bookmarking1.com/story18689036/enter-a-bip39-passphrase-considerations-to-know-about-seed-phrase-generator