> For the complete documentation index, see [llms.txt](https://web3-glossary.xvitesse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://web3-glossary.xvitesse.com/core-concepts/blockchain-technology.md).

# Blockchain Technology

Blockchain Technology

At the heart of Web3 lies blockchain technology, a revolutionary approach to data management and security. Blockchain is a distributed ledger that records transactions across multiple computers, ensuring that each entry is secure, transparent, and immutable. This technology underpins cryptocurrencies, NFTs, and decentralized applications (dApps), providing a trustless environment where transactions and agreements can be executed without the need for centralized authorities.

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