Definition ∞ Protocol security refers to the measures and design principles implemented to safeguard a blockchain protocol from vulnerabilities and malicious attacks. This involves ensuring the integrity of the consensus mechanism, the immutability of the ledger, and the confidentiality of transactions where applicable. Robust protocol security is foundational to maintaining trust and stability within a decentralized network. It addresses potential threats ranging from sybil attacks to double-spending.
Context ∞ Protocol security is a paramount concern, especially following high-profile incidents of network compromise or smart contract breaches. Discussions frequently center on the latest advancements in cryptographic techniques, formal verification methods, and robust consensus algorithms designed to fortify blockchain infrastructures. The ongoing arms race between attackers and defenders necessitates continuous vigilance and adaptation of security protocols to address emerging threats.
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