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 ...
Dec 27, 2025 · A blockchain is a distributed network of files chained together using programs that create hashes, or strings of numbers and letters that represent the information contained in the files.
What Is Blockchain and How Does It Work? | Britannica Money
Blockchain is a digital ledger database whose recorded contents are encrypted into a sequence of blocks and distributed throughout a network of participating computers (nodes).
A beginner's guide to the different types of blockchain networks
Jun 2, 2023 · The four most common types of blockchain networks include public, private, consortium and permissioned blockchains.
What is blockchain? - IBM
Blockchain operates as a decentralized distributed database, with data stored across multiple computers, making it resistant to tampering. Transactions are validated through a consensus …
What Is a Blockchain Network? Components, Members, Use Cases
Dec 30, 2025 · Find out what is a blockchain network, how it works, the components of a blockchain network, and its numerous potential applications.
Blockchain: What It Is, How It Works, Why It Matters - Built In
Jan 15, 2026 · 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 …