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 previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves).
Blockchain - Simple English Wikipedia, the free encyclopedia
A Blockchain (or block chain) is a series of digital entries, which cannot be easily changed once they are created. It is commonly used in cryptocurrency. It is how digital transactions are recorded and verified.
Blockchain Facts: What Is It, How It Works, and How It Can Be Used
2024年9月16日 · 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.
Explainer: What is a blockchain? | MIT Technology Review
2018年4月23日 · Blockchains distributed across thousands of computers can mechanize trust, opening the door to new ways of organizing “decentralized” enterprises and institutions. Nakamoto mined the first...
What is blockchain and what can it do? - The World Economic …
2021年4月5日 · 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.
Blockchain: What It Is, How It Works, Why It Matters | Built In
2024年3月29日 · 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.
Blockchain Essentials - Investopedia
2023年6月29日 · Blockchain is the digital platform behind Bitcoin and other cryptocurrencies. It is intended to create faster, more efficient ways to transmit, receive, and track orders using secure data.
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).
Category:Blockchains - Wikipedia
This category includes the main blockchain article, its subarticles and related articles.
Privacy and blockchain - Wikipedia
A blockchain is a shared database that records transactions between two parties in an immutable ledger. [1] Blockchain documents and confirms pseudonymous ownership of all transactions in a verifiable and sustainable way. [2]