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

    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. 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 …

  4. What is Blockchain Technology, and How Does It Work?

    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. …

  5. 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 …

  6. 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.

  7. What is Blockchain?

    Sep 30, 2025 · A Blockchain is a distributed ledger. It records transactions on numerous computers all over the world. These are registered in a way that prevents further change of them.

  8. What Is Blockchain And How Does It Work? Crypto Guide

    Sep 5, 2024 · At its core, a blockchain is a ledger. A ledger simply represents a collection of transactions that have been verified and recorded. That’s all a blockchain is – a digital ledger …

  9. Introduction to Blockchain Technology - GeeksforGeeks

    Aug 1, 2025 · Blockchain is a revolutionary technology that functions as a shared, immutable digital ledger. The name "blockchain" comes from its structure data is organized in blocks, with …

  10. Blockchain, explained - MIT Sloan

    May 25, 2017 · On a blockchain, transactions are recorded chronologically, forming an immutable chain, and can be more or less private or anonymous depending on how the technology is …