What Is A Seed Phrase Default number of iterations Employed in wallets is 2048. Escalating this variety should help it become safer against brute force assaults, having said that you'll have to retailer this benefit. To obtain your wallet with custom PBKDF2 you need to use this script (or identical) https://health-lists.com/story19154517/bitcoin-seed-phrase-generator-with-balance-little-known-facts-about-bip39-word-list