Blockchain Simple Explanation (Homework)

Blockchain is a digital technology that allows information to be recorded and shared across a network without relying entirely on a single central authority. This article provides an introduction to blockchain technology by explaining its basic structure, including blocks, cryptographic hashes, decentralization, and consensus. It also presents a timeline of major developments in blockchain technology, from early cryptographic and digital-cash research to the launch of Bitcoin in 2009 and Ethereum in 2015. Finally, the article compares blockchain with traditional databases in terms of control, data modification, trust, speed, transparency, and practical applications. Through simple examples and explanations, this article aims to make the fundamental concepts of blockchain easier to understand for students and beginners.

05 Oct 2026 0 131