Blockchain - Wikipedia
A 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 …
What Is Blockchain? | Ledger
Sep 20, 2022 · In simple words, a blockchain is a distributed and immutable digital ledger that is responsible for recording transactions and tracking the movement of digital assets on its network.
Blockchain Facts: What Is It, How It Works, and How It Can Be ...
Dec 27, 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 tampering. …
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 a Blockchain Ledger: Explainer - Tatum
Jul 17, 2024 · What is a Blockchain Ledger? A blockchain ledger is a digital record-keeping system designed to be secure, transparent, and immutable. It is a decentralised database managed by a …
What is a Ledger in Blockchain? How Does Digital Ledger ...
Apr 28, 2025 · But what is a ledger in blockchain exactly? It’s a revolutionary record-keeping system that uses cryptography and network consensus to create tamper-proof transactions without central …
Blockchain and Distributed Ledger Technology (DLT)
Dec 10, 2025 · A blockchain is a digital ledger of transactions distributed across a network of computers (nodes). Instead of relying on a central server, each node records, shares, and synchronizes …
What is a ledger in blockchain? - California Learning ...
Jul 2, 2025 · At its core, a blockchain ledger is a cryptographically secured, decentralized, and distributed database meticulously recording every transaction that occurs within a specific blockchain …
Blockchain basics: Introduction to distributed ledgers
Thanks to the key concepts of cryptographic security, decentralized consensus, and a shared public ledger (with its properly controlled and permissioned visibility), blockchain technologies can …
What Is A Blockchain Ledger? Defined And Explained
Sep 2, 2025 · Learn what a blockchain ledger is, how it records transactions securely with decentralization and consensus, and explore FAQs on uses, risks, and DLT.