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  1. Blockchain.com | Be early to the future of finance

    Buy Bitcoin, Ethereum, and other cryptocurrencies on a platform trusted by millions.

  2. Blockchain - Wikipedia

    Blockchains are typically managed by a peer-to-peer (P2P) computer network for use as a public distributed ledger, where nodes collectively adhere to a consensus algorithm protocol to add and …

  3. Blockchain Facts: What Is It, How It Works, and How It Can Be Used

    Dec 27, 2025 · Blockchain is a decentralized digital database or ledger that securely stores records across a network of computers in a way that is transparent, immutable, and resistant to tampering. …

  4. What is blockchain? - IBM

    Blockchain is a shared, immutable digital ledger, enabling the recording of transactions and the tracking of assets within a business network and providing a single source of truth.

  5. What Is Blockchain and How Does It Work? | Britannica Money

    Blockchain is a distributed ledger database system whose technologies can change the way businesses and governments operate. The capacity to make transactions without intermediaries and the …

  6. Blockchain Technology

    Dec 30, 2025 · Blockchain technology is a decentralized digital ledger that records transactions across multiple computers in a way that ensures security, transparency, and immutability. Each transaction …

  7. A Complete Guide to Blockchain - GeeksforGeeks

    Jul 23, 2025 · Blockchain operates as an unchangeable sequence of records known as blocks, which are used to facilitate transactions, track assets, and document information and files. Each block is …

  8. Blockchain Technology Explained: How It Works, Benefits, and Future ...

    Nov 10, 2025 · Blockchain is a distributed digital ledger that records transactions across multiple computers in a network. Unlike traditional databases controlled by a single authority, blockchain …

  9. Blockchain: What It Is, How It Works, Why It Matters - Built In

    Jan 15, 2026 · Blockchain technology is a decentralized, distributed ledger that stores the record of ownership of digital assets. Any data stored on blockchain is unable to be modified, making the …

  10. What is blockchain? Definition, examples and how it works

    Jan 30, 2025 · Blockchain is a distributed ledger technology (DLT) that's shared across a network of computers to keep a digital record of transactions. Blockchain is known for its role in cryptocurrency …