What is a blockchain?

Introduction

Blockchain technology serves as a robust digital ledger that records transactions across multiple computers to ensure security and transparency.

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A bit more details

Blockchains chronicle transactions in interlinked blocks through cryptography, creating an unalterable chain. Each block links to the preceding one, making it nearly impossible to modify past data without a consensus from the network. This inherent security feature makes blockchains highly resistant to data tampering.

Recent advancements in blockchain technology include increased scalability, improved privacy measures, and the development of more efficient consensus algorithms, which enhance transaction speeds and reduce operational costs.