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 …
Blockchain Facts: What Is It, How It Works, and How It Can Be Used
Dec 27, 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, maintaining a secure and...
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 …
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.
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 …
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 …
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.
What is Blockchain? A Definitive Guide - IEEE Blended Learning Program
Mar 5, 2025 · Learn how to become a blockchain developer or cryptocurrency trader by understanding the following concepts. What is Blockchain? Blockchain is a decentralised digital ledger technology …
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 digital …
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 …