Bip39 Last Word Default quantity of iterations Employed in wallets is 2048. Escalating this range should really make it safer from brute force assaults, however you'll need to store this price. To accessibility your wallet with customized PBKDF2 you need to use this script (or comparable) to estimate your BIP39 https://dirstop.com/story21424992/bip39-mnemonic-to-seed-little-known-facts-about-seed-phrase-generator