Bip39 Online Wallet Default quantity of iterations used in wallets is 2048. Rising this number should really ensure it is safer towards brute power attacks, nevertheless you'll have to store this price. To access your wallet with custom PBKDF2 you must use this script (or identical) to estimate your BIP39 https://www.youtube.com/channel/UCUpxfyTJ0fb78SQ55hU6OCw