Blockchain is the core technology behind Bitcoin and thousands of cryptocurrencies and has promising potential beyond digital currencies. Many, or all, of the products featured on this page are from ...

A blockchain is a digital ledger of transactions that is replicated and distributed across a large network of computer systems, or nodes, to record and secure information. Each block in the blockchain ...

What is a blockchain bridge? Learn how bridges connect isolated blockchains, enable cross-chain DeFi and NFT transfers, and ...

A blockchain is a network of decentralized and distributed data (ledger), meaning the users share the ownership and management of the network through computer nodes. As a database, blockchain stores ...

What is cross-chain communication? Learn how blockchains talk to each other, the difference between bridges and messaging ...

Blockchain technology is organized into layers, each with a specific role in ensuring security, scalability and efficiency. Layer 0 provides the infrastructure, while layer 1 — e.g., Bitcoin, Ethereum ...

Hard forks create new blockchains that exist alongside the original, often enhancing security or functionality. Investors should track hard forks in cryptocurrencies they own, as they may receive new ...

Blockchain technology is a decentralized and distributed digital ledger maintained by a computer network. Blockchain technology has a significant carbon footprint due to its energy-intensive process ...

In October 2019 Chinese President Xi Jinping noted: “We must take the blockchain as an important breakthrough for independent innovation of core technologies, clarify the main direction, increase ...