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 ...

Cryptocurrency difficulty indicates how challenging it is to mine a block in blockchain networks like Bitcoin. Learn what affects this mining process.

(1) The distinction between a main Layer 1 blockchain such as Bitcoin and Ethereum and a Layer 2 blockchain such as rollup chain. A third layer separates even more functions. See Layer 1 blockchain, ...

A protocol and framework for creating Layer 2 blockchains and sidechains, both of which run parallel to and interact with the Ethereum network. Introduced in 2017 as the Matic network, which was a ...

Explore the modular blockchain thesis and how separating consensus, execution, data availability, and settlement boosts scalability.