December brought notable developments in Zero-Knowledge Proof technology. The ZK ecosystem continues advancing with improvements in proof generation efficiency, scalability solutions, and real-world applications across multiple chains. From protocol enhancements to growing adoption in Layer 2 systems, the space remains dynamic. Key players are pushing boundaries on what's possible with ZK—from faster verification times to broader compatibility. This month underscored how ZK technology is becoming increasingly critical infrastructure for the next generation of blockchain networks.