🚀 I built a key-based login (SSH-style) for the web: 1️⃣ Browser generates RSA keypair 2️⃣ Public key is registered with server 3️⃣ On login → server sends random challenge 4️⃣ Client signs it with private key 5️⃣ Server verifies + issues JWT Try it 👉 web-expense-tracker-app.vercel.app/key-auth/regis…