Bip39 Tangem Default variety of iterations Employed in wallets is 2048. Escalating this quantity ought to enable it to be more secure in opposition to brute force assaults, however you will have to store this value. To access your wallet with custom PBKDF2 you need to use this script (or https://social40.com/story4458953/bip39-bitcoin-improvement-proposal-39-the-single-best-strategy-to-use-for-seed-phrase-generator