Solana absorbs 6 Tbps DDoS offensive in 2025 without downtime or fee spikes

In December 2025, the Solana network reportedly handled a Distributed Denial-of-Service attack peaking at about 6 terabits per second without downtime or a meaningful rise in fees. Co-founders and infrastructure operators attributed this resilience to upgraded defences, validator clustering, the QUIC protocol, and local fee markets, as the validator set shifts toward larger professional operators.