Bip39 Checksum Failed Default amount of iterations Employed in wallets is 2048. Growing this variety need to enable it to be more secure against brute drive attacks, nonetheless you'll need to store this benefit. To access your wallet with customized PBKDF2 you must use this script (or very similar) to https://thegreatbookmark.com/story18576141/bip39-numbers-seed-phrase-generator-no-further-a-mystery