Definition ∞ Open Networks are decentralized systems that allow any participant to join, contribute, and interact without requiring permission from a central authority. They are typically public, transparent, and operate based on predefined protocols and consensus mechanisms. These networks foster innovation and widespread participation by removing barriers to entry. Bitcoin and Ethereum are prominent examples of such structures.
Context ∞ The concept of open networks is fundamental to the ethos of many blockchain and digital asset projects, emphasizing decentralization and accessibility. Discussions often concern the challenges of maintaining security and preventing illicit activities within permissionless environments, alongside the governance models that sustain their openness. The expansion and refinement of open network architectures are crucial for the long-term viability of a decentralized digital economy.
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