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
[2] https://github.com/bokub/vanity-eth
[3] https://github.com/brave/brave-browser/wiki/Brave-Wallet-See...
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
[2] https://github.com/bokub/vanity-eth
[3] https://github.com/brave/brave-browser/wiki/Brave-Wallet-See...