A public blockchain is a decentralized network accessible to everyone. It allows users to participate in transactions and validation without requiring permission. This open, transparent system relies on consensus mechanisms like proof of work or proof of stake to secure the network. Popular public blockchains include Bitcoin and Ethereum, where all participants can view and verify data, making it trustworthy and transparent. Due to its decentralized nature, no single entity controls the network, providing greater security and openness for all users.
