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Layer-1 Network

Definition

A Layer-1 network is the foundational blockchain protocol upon which other decentralized applications and protocols are built. These networks, such as Bitcoin or Ethereum, are responsible for the core functions of transaction processing, consensus mechanisms, and ledger maintenance. Their design dictates the fundamental characteristics of the ecosystem, including security, scalability, and decentralization. Innovations and developments on Layer-1 networks have a direct and substantial impact on the entire blockchain landscape.