Public Blockchain

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Jack Farris 18 Jun 2025

A public blockchain is a decentralized, open-source network where anyone can participate in transaction validation and governance.

A public blockchain is a decentralized, open-source network where anyone can participate in transaction validation and governance. Examples include Bitcoin, Ethereum, and Solana. Public blockchains offer transparency, immutability, and security by distributing data across numerous nodes. They rely on consensus mechanisms like Proof of Work or Proof of Stake to validate transactions. These networks power decentralized applications, cryptocurrencies, and smart contracts. Unlike private blockchains, they are permissionless, enabling global access and innovation. Public blockchains promote trustless environments, reduce central control, and support censorship-resistant financial and digital services.