Crypto Hacks Total $16.69 Billion in Losses, With 40% Linked to Stolen Private Keys

Crypto hacks have resulted in $16.69 billion in cumulative losses, with roughly 40% of that amount associated with stolen private keys, based on DeFiLlama data. According to NS3.AI, security experts attribute a significant share of these losses to key-management failures, suggesting that weaknesses in how private keys are stored and handled remain a major driver of incidents. In response, parts of the crypto industry are adopting approaches aimed at reducing reliance on a single private key. These include multi-party computation, account abstraction, and integrating security practices directly into products and workflows to lower single-key risk.