A blockchain is a kind of database invented in 2008 that stores and secures information in sequential blocks. Unlike the case with traditional databases, a blockchain’s contents are not kept on a ...

Blockchain is a revolutionary technology that serves as a decentralized and distributed digital ledger. It functions as a transparent and secure system for recording and verifying transactions across ...

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 ...

(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, ...

Bari: “In 2026, we’re entering the modular blockchain era. Platforms like EigenLayer and Celestia are making it possible to ...

Combining IoT and blockchain creates a powerful system where connected devices can share data securely and transparently.

Cryptocurrencies have gone from being a nascent investment to entering the conversation among investors as a legitimate allocation in their portfolios. Whether you trade cryptocurrencies or not, you ...

Since 2016 it has been a tradition for me to deliver a blog on blockchain and crypto in which I present the main trends for the new year. Looking back, 2025 was an eventful year for the blockchain and ...