Every chain tries to be a world computer. Nano sticks to one job: transferring value. And it does it perfectly. The codebase is lean, the attack surface is small, and the network is reliable. I’ve learned that focus matters. You can’t be everything to everyone. Satoshi chose a minimalist design for Bitcoin. Nano continued that tradition. If you want to understand why simplicity wins, this essay lays it out in a way that’s stuck with me.