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

    Sep 4, 2025 · What Is a Blockchain? A blockchain is a distributed database or ledger shared across a computer network's nodes. While it is best known for its crucial role in cryptocurrency …

  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 …

  3. 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 …

  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. Blockchain Technology

    Sep 22, 2024 · Blockchain technology is a decentralized digital ledger that records transactions across multiple computers in a way that ensures security, transparency, and immutability. …

  6. 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 …

  7. What Is Blockchain? Explained In Simple Words

    May 28, 2025 · At its core, blockchain is a digital ledger that records transactions across many computers so that the information recorded cannot be altered retroactively. Think of it like a …