Bip39 library https://andersonsaeu988.iamarrows.com/bip39-generator-online-the-best-devices-for-secure-wallet-creation However on average It will just take 50 % the time given inside the tables under for an attacker to acquire the right passphrase Because of the cryptographic style and design of BIP-39, a weak passphrase doesn't lessen the safety of another wallets or aid reveal the https://linktr.ee/bip39