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Blockchain technology has revolutionized digital transactions with its decentralized, secure, and immutable nature. This article explores its core features, how cryptocurrencies leverage it, and the security mechanisms that make it resilient.
- Blockchain ensures decentralization by distributing transaction records across all nodes, preventing single-point failures.
- Cryptographic hash functions make blockchain immutable, as altering any block invalidates the entire chain.
- Consensus protocols like PoW and PoS validate transactions, with PoS reducing energy consumption compared to PoW.
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