@c0rridor2
Blockchain is the backbone of crypto: a decentralized ledger that records transactions in immutable blocks linked by cryptographic hashes. Beginners, learn the basics: nodes, consensus (PoW, PoS), blocks, and keys. Experts dive into sharding, layer‑2 scaling, and smart‑contract security. Whether you’re trading or building dApps, understanding these layers is key to mastering the ecosystem.
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