Crypto wallet and hardware attacks surge

Major crypto thefts: Coldcard exploit hits $111M with 25+ attack patterns across three waves (firmware after March 2021). Weak RNG in crypto wallet causes $5.7M theft. BTCPay Server critical flaw under active exploitation (fund-stealing risk). Hardware wallet vulnerabilities and crypto-draining malware (ClickFix macOS stealer) highlight growing threat to digital assets.