A few days ago, if you asked me what “identity” means in tech, I’d give you a very Web2 answer: Email + password = identity Every platform I used - GitHub, banking apps, social media - had its own login system. Different usernames, different passwords, all controlled by the companies behind them. Then I started learning Solana. And my understanding of identity completely changed. 🏨 Web2 vs Web3: A Simple Analogy Web2 identity is like staying in a hotel. You get a key card, but the hotel can deactivate it anytime. Solana identity is like owning your own house. You hold the only key. No one can lock you out… but if you lose it, you're stuck outside. This shift from platform-controlled access to user-controlled ownership is the core idea behind on-chain identity. 🔑 Identity = Keypair On Solana, your identity starts with a cryptographic keypair: Public Key → your address (safe to share) Private Key → your proof of ownership (must stay secret) If you’ve used SSH before, this will feel familiar. No signup.…