April crypto hacks jump 1,140% to $647M

TLDR

Crypto hacks in April 2026 hit roughly $647 million in losses, up about 1,140% from March, marking one of the worst months on record for DeFi and crypto infrastructure.

1. Security firms report around 2840 April incidents, dominated by two mega exploits on Drift Protocol and KelpDAO that together account for over 90% of losses.
2. Most damage came from bridges, admin keys, and key management weaknesses, with North Korea linked to many attacks and AI reportedly used to scale reconnaissance.
3. For regular users, the main risk is operational, not chain failure, so key storage, bridge risk, and protocol governance design matter more than ever.

Deep Dive

1. How Big The April Damage Was

PeckShield data cited by U.Today puts April 2026 hack losses at $647 million, a 1,140% jump from roughly $52 million in March, across 40 major exploits and incidents and even exceeding the combined losses of the first quarter of the year. This makes April one of the highest loss months in recent crypto history, even though a few supersized hacks dominate the total.

DefiLlama based tallies referenced by The Defiant show a similar picture, with 28 exploits and about $635.2 million stolen, confirming April as the highest incident count on record with nearly four times the value lost in the entire first quarter. Methodology differences explain the 635647 million range, but all sources agree the spike is extreme.

The bulk of funds came from two events, a roughly $293 million KelpDAO bridge exploit and a $285 million Drift Protocol drain, which together account for about 91% of Aprils total losses and now rank among the largest DeFi hacks on record.

2. What Actually Got Exploited

Aprils exploits were less about classic smart contract bugs and more about infrastructure and operations. The KelpDAO incident involved a forged LayerZero bridge message that released unbacked rsETH, while Drifts attack abused a Solana durable nonce workflow and governance style controls to seize admin power.

Analysts and TRM Labs, cited by The Defiant and CryptoBriefing, link both large attacks and several others to North Korean state backed groups such as Lazarus, which they estimate account for around three quarters of 2026 hack losses to date. Other incidents in April targeted admin keys, hot wallets, and even long dormant Ethereum wallets where old seed phrases or weak key generation appear to have been exposed years ago.

This pattern is reinforced by reports that attackers are increasingly using AI tools to scan for misconfigured infrastructure, stale contracts, and social engineering angles rather than only hunting new solidity bugs.

3. Why It Matters For Users And Markets

On the market side, prediction style markets tracked by CryptoBriefing show lower implied probabilities for aggressive near term Bitcoin and Ethereum price targets after the April hack wave, suggesting a drag on risk appetite rather than a total confidence collapse.

For individual users, the main takeaway is that set and forget security is dangerous. Risks cluster around old wallets, unsupervised bridge use, and protocols where a small group controls upgrade or pause keys, as seen in the KelpDAO and Drift cases. Institutional providers are already reacting, with custodians such as BitGo rolling out multi layer controls across intent, device, identity, behavior, and policy to block malicious withdrawals before they leave custody.

For DeFi participants, paying attention to how a protocol handles bridges, admin powers, and key rotation is now as important as fees and yield.

Conclusion

Aprils 1,140% jump in crypto hack losses came from a concentration of large, sophisticated attacks on bridges, signers, and long standing key weaknesses rather than failures of core chains. The main edge for users and builders is operational, not speculative, watching where control is centralized, how keys are managed, and whether protections are evolving as fast as attackers.