Definition ∞ Base chain security refers to the fundamental protective measures and integrity assurances of a primary blockchain network. This security safeguards the ledger’s immutability, transaction validity, and overall network resilience against malicious attacks. It forms the bedrock upon which all subsequent layers and applications operate securely.
Context ∞ The robustness of base chain security is paramount for the viability of layer-2 scaling solutions and decentralized applications built upon it. Discussions in crypto news often highlight advancements or vulnerabilities in these foundational security models, impacting the perceived reliability and adoption prospects of entire blockchain ecosystems. Maintaining this security is a constant technical priority.