Blockchain Is Infrastructure
A blockchain is a shared system for recording ownership, events and agreed rules. Cryptocurrency is one use of that infrastructure, not the entire purpose of it.
A practical beginner course about what blockchain is, where it helps, what belongs on-chain and how wallets and gas make the system work.
A blockchain is a shared system for recording ownership, events and agreed rules. Cryptocurrency is one use of that infrastructure, not the entire purpose of it.
Useful blockchain projects solve a trust, ownership or coordination problem. They do not force ordinary database work onto a public ledger.
Blockchain is not a replacement for every database. The strongest applications divide responsibilities deliberately.
A wallet lets you approve blockchain actions. It does not store the blockchain itself, and the Academy must never ask for your seed phrase or private key.
The subscriber pathway will turn one suitable problem into a small working dApp.