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Blockchain - Wikipedia
The blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. [1][2][3][4] Each block contains a cryptographic hash of the …
Blockchain Facts: What Is It, How It Works, and How It Can Be Used
Mar 24, 2025 · A blockchain is a digitally distributed, decentralized, public ledger that exists across a network. It is most noteworthy in its use with cryptocurrencies and NFTs.
Blockchain: What It Is, How It Works, Why It Matters | Built In
Jan 23, 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 …
What is blockchain and how does it work? - Encyclopedia Britannica
May 14, 2025 · Blockchain is a distributed ledger database system whose technologies can change the way businesses and governments operate. The capacity to make transactions …