Blockchain

Blockchain is a decentralized, distributed ledger technology that records transactions across multiple computers in a way that ensures security, transparency, and immutability. It operates as a chain of blocks, where each block contains a list of transactions, a timestamp, and a cryptographic hash of the previous block, creating a tamper-resistant record. This technology underpins cryptocurrencies like Bitcoin and enables applications in finance, supply chain, and digital identity.

Also known as: Distributed Ledger Technology, DLT, Block chain, Cryptochain, Chain of blocks

🧊Why learn Blockchain?

Developers should learn blockchain to build decentralized applications (dApps), smart contracts, and secure systems that require trustless transactions and data integrity. It is essential for roles in fintech, Web3, and industries needing transparent audit trails, such as logistics or voting systems. Understanding blockchain also helps in exploring emerging fields like decentralized finance (DeFi) and non-fungible tokens (NFTs).

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Compare Blockchain

Blockchain vs Centralized Databases→Blockchain vs Traditional Ledgers→Blockchain vs Cloud Storage→

Learning Resources

Blockchain Basics - IBM Developer

Blockchain and Cryptocurrency Explained - Coursera

Introduction to Blockchain Technology - edX

Mastering Blockchain - O'Reilly Book

Blockchain Explained - YouTube Video by Simply Explained

Related Tools

Smart Contracts Cryptography Decentralized Applications Consensus Algorithms Ethereum

Alternatives to Blockchain

Centralized Databases Traditional Ledgers Cloud Storage

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