Crypto Hack Losses Reach $3.4 Billion in 2025 as Capital Risk Becomes Highly Concentrated

On 18 December 2025, analysis of crypto security incidents showed that losses climbed to $3.4 billion, driven by a few large-scale breaches rather than constant smaller hacks. Attackers increasingly targeted centralized pools of capital and individual users, while DeFi protocols saw fewer successful exploits as security practices improved. The main concern has shifted from how often hacks occur to how much damage a single failure can cause.