Didn't catch your reply. With the Ethers.js library it is trivial [1] to generate key-pairs from a mnemonic phrase. You might be interested in vanity address g

Didn't catch your reply. With the Ethers.js library it is trivial [1] to generate key-pairs from a mnemonic phrase. You might be interested in vanity address generator [2]. The Brave Wallet GitHub Wiki [3] has a write up with good links for further research. [1] https://docs.ethers.io/v5/api/signer/#Wallet.fromMnemonic https://docs.ethers.io/v5/api/signer/#Wallet.fromMnemonic [2] https://github.com/bokub/vanity-eth https://github.com/bokub/vanity-eth [3] https://github.com/brave/brave-browser/wiki/Brave-Wallet-Seed-Wiki https://github.com/brave/brave-browser/wiki/Brave-Wallet-See...