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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 …

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

    Sep 4, 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 …

  4. 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 …

  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 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. …

  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 …

  8. Blockchain Explained Simply: What It Is, How It Works, and Why It …

    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 …

  9. 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 …

  10. 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 …