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

    Sep 4, 2025 · 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 systems, …

  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? 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 …

  4. Blockchain Explained Simply: What It Is, How It Works, and ...

    Jul 18, 2025 · At its core, a blockchain is like a shared digital diary. Anyone in the network can add entries, but once something is written, it can’t be changed or erased. This data isn’t stored …

  5. 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.

  6. What is Blockchain?

    Sep 30, 2025 · Blockchain development is the process of building a shared, immutable distributed ledger technology (DLT) that safely records transactions and tracks assets inside a network, …

  7. 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 …