Blockchain Facts: What Is It, How It Works, and How It Can Be Used
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 - 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 …
What Is Blockchain and How Does It Work? | Britannica Money
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 …
What is Blockchain Technology, and How Does It Work?
Dec 30, 2025 · Blockchain technology is a decentralized digital ledger that records transactions across multiple computers in a way that ensures security, transparency, and immutability. Each transaction …
What is blockchain? - IBM
Blockchain is a shared, immutable digital ledger, enabling the recording of transactions and the tracking of assets within a business network and providing a single source of truth.
What is Blockchain? Explained in Simple Words
May 28, 2025 · At its core, blockchain is a digital ledger that records transactions across many computers so that the information recorded cannot be altered retroactively. Think of it like a digital …
Blockchain: What It Is, How It Works, Why It Matters - Built In
Jan 15, 2026 · Summary: Blockchain is a decentralized, immutable ledger that enables secure, transparent transactions without intermediaries. It’s used across industries from finance to healthcare …
What is blockchain? Definition, examples and how it works
Jan 30, 2025 · Blockchain is a distributed ledger technology (DLT) that's shared across a network of computers to keep a digital record of transactions. Blockchain is known for its role in cryptocurrency …
BLOCKCHAIN Definition & Meaning - Merriam-Webster
The technology at the heart of bitcoin and other virtual currencies, blockchain is an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent …
Blockchain Definition: What You Need to Know - Investing.com
Jul 22, 2025 · Blockchain technology is one of the most exciting forms of technology globally. But, very few people understand the concept. This guide breaks down everything you need to know about …