Blockchain - Wikipedia
A blockchain is a decentralized, distributed, and often public, digital ledger consisting of records called blocks that are used to record transactions across many computers so that any involved block cannot be altered retroactively, without the alteration of all subsequent blocks. [3][20] This allows the participants to verify and audit transac...
Blockchain Facts: What Is It, How It Works, and How It Can Be Used
Sep 16, 2024 · 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.
What Is Blockchain? | IBM
Blockchain is a shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network. An asset can be tangible (a house, car, cash, land) or intangible (intellectual property, patents, copyrights, branding).
Blockchain: What It Is, How It Works, Why It Matters | Built In
Mar 29, 2024 · 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 need for third parties, like banks or governments. Every transaction is recorded, then stored in a block on the blockchain.
What is blockchain and how does it work? - Encyclopedia Britannica
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 immutability of all recorded data are among …
What is blockchain technology? | McKinsey
Jun 6, 2024 · A blockchain is a type of distributed database or ledger, which means the power to update a blockchain is distributed between the nodes, or participants, of a public or private computer network. This is known as distributed ledger technology (DLT).
What Is Blockchain Technology? - CoinDesk
Sep 19, 2022 · In its simplest form, a blockchain is a distributed list of transactions that is constantly updated and reviewed. Also known as distributed ledger technology (DLT), it can be programmed to...
What Is Blockchain? The Complete WIRED Guide | WIRED
Feb 2, 2023 · The original blockchain is the decentralized ledger behind the digital currency bitcoin. The ledger consists of linked batches of transactions known as blocks, with an identical...
Explainer: What is a blockchain? | MIT Technology Review
Apr 23, 2018 · What’s that? A mathematical structure for storing data in a way that is nearly impossible to fake. It can be used for all kinds of valuable data. Who created the first blockchain?
What is blockchain and what can it do? - The World Economic …
Apr 5, 2021 · Blockchain is a distributed ledger that allows for more transparent and verifiable record keeping. Although associated mostly with money and finance, it can be used widely. There are still many barriers to its widespread adoption, including confidence and regulation.
- Some results have been removed