Definition ∞ An open network model describes a decentralized system where participation and access are permissionless and transparent. In this model, anyone can join, contribute, or build upon the network without requiring central authority approval. Protocols and data are typically open-source, promoting collaboration and innovation among participants. This structure contrasts with closed, permissioned systems by fostering greater decentralization and censorship resistance.
Context ∞ Crypto news frequently highlights the benefits and challenges of the open network model, particularly in discussions about blockchain protocols like Ethereum. Reports often cover developments in decentralized finance (DeFi) and Web3, which heavily rely on these open, permissionless architectures. The ongoing debate concerns balancing security and scalability within an open framework while attracting broad user and developer participation.