The cryptocurrency sector experienced a significant increase in security breaches in March 2026, with 20 major incidents resulting in approximately $52 million in losses, according to PeckShield. This marks a 96% increase from February's $26.5 million in losses. Key incidents included a breach at Resolv Labs, where an AWS KMS key system intrusion led to the unauthorized minting of 80 million USR tokens, causing a $25 million loss. Additionally, Venus-related issues resulted in $2.18 million in bad debt, while sillytuna suffered a $24 million combined offline and on-chain attack. A suspected Kraken whale also lost $18 million due to a social engineering attack.