To truly "Be Your Own Bank," you must trust your code, not your vendor.

We love to scream "Be Your Own Bank," but most of us are hypocrites. We trust Coinbase to buy, Exodus to view, and we blindly trust that a Trezor or Ledger firmware update isn't going to leak our keys. We are still a slave to the "big man." We simply swapped a banker for a developer we've never met.

That's why I built the controversial brainwallet.io 10 years ago (no reports of stolen or lost funds yet). I needed a tool that genereted keys that I could trust. What better way than to create your own simple tool.

I just released a new version today which adds support for ETH and the Argon2id KDF. The security parameters are now aggressively memory-hard: 384MB RAM and 25 iterations. It takes my MacBook 12 seconds just to generate a single key pair. This intentional slowness, along with the mandatory salt, makes brute-forcing mathematically infeasible.

This is my open-source contribution to the community: a verifiable, memory-hard option for those who truly believe in the "Don't Trust, Verify" ethos. Take it or leave it. I welcome anyone to audit the code to verify the security and the cryptographic parameters.