You Already Understand Blockchain Identity (You Just Don't Know It Yet)

If you've ever set up SSH access to a server, you already understand the core idea behind identity on Solana. You generated a keypair. You dropped the public key on the server. From that point on, you proved who you were not with a password but by signing challenges with your private key. The server trusted the math. Solana works the same way, except instead of one server, the "server" is the entire global network, and your keypair is your identity everywhere on it at once. The problem with Web2