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 ...

(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, ...

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

Discover how Ethereum 2.0 transitioned the blockchain to proof-of-stake in 2022, enhancing scalability, reducing energy use by 99.95%, and laying the groundwork for future upgrades.

A crypto services company founded in 2011 that established one of the early block explorers to track crypto transactions. Today, Blockchain.com provides a crypto exchange and crypto wallet. Originally ...

Aptos Labs, the blockchain startup founded by former Meta Platforms Inc. employees behind the defunct Diem blockchain, today announced that it has partnered with Microsoft Corp. to “explore innovative ...

What is the FIFA blockchain? In May 2025, FIFA announced the launch of a dedicated layer-1 blockchain utilizing Avalanche’s Subnet technology. This transition marks a departure from its previous use ...