I stumbled upon a tool that generates random BIP39 seeds and checks them for ETH balance via Etherscan API.☠️
The crazy part?
1 API request checks 20 wallets at once.
With 30 free Etherscan API keys → 600 seeds/second on average.
In theory: 5 req/sec * 30 keys * 20 wallets = 3000 seeds/sec.
My...