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  1. 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 …

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

    5 days ago · 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. Each...

  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 intermediaries and the …

  4. What is Blockchain Technology ? The Ultimate Guide

    Nov 4, 2017 · At its core, blockchain is a new kind of database. It doesn’t rely on a single server or authority. Instead of storing data in a centralized system, a blockchain distributes it across a network …

  5. What Is Blockchain and How Does It Work in Simple Terms?

    2 days ago · Understand what blockchain is and how it works in simple terms with clear examples anyone can follow.

  6. 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 …

  7. What is Blockchain Technology? The Future of Data Security and …

    Mar 30, 2025 · At its core, blockchain is a decentralized, distributed ledger technology that provides a transparent, immutable, and secure method of recording transactions and managing data. But the …

  8. 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 …

  9. 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.

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

    Aug 13, 2025 · Blockchain is an immutable digital ledger that enables secure transactions across a peer-to-peer network. It records, stores and verifies data using decentralized techniques to eliminate the …