@elaspri
From Bitcoin’s proof‑of‑work to Ethereum’s EVM, blockchain’s core layers—consensus, data availability, state, and applications—unlock decentralization. Beginners: understand blocks, nodes, and hash functions. Experts: dive into sharding, rollups, and zk‑snarks. Whether building dApps or investing, mastering these fundamentals gives you the edge in the evolving crypto landscape.