April's $606M in Crypto Hacks Already Exceeds Q1 by Nearly 4x — And the Month Isn't Over

Two incidents — Drift on April 1 and Kelp on April 19 — account for most of it, but a dozen smaller exploits filled the gaps.

April 2026 crypto hacks cover — $606M stolen, exceeding Q1 combined, DeFi-heavy
Illustration: BlockAI News · Data: DefiLlama Hacks DB

The tally

Crypto protocols have lost over $606 million to hacks in the first 18 days of April 2026, per DeFi Llama. That single-month figure already runs roughly 4× Q1 2026's total, making April the worst month for exploits since February 2025.

The two that mattered

Two incidents drive most of the number. Drift Protocol (Solana perps) lost about $285M on April 1 in an attack later tied to North Korea-affiliated actors. Kelp DAO's rsETH bridge was drained for $292M on April 19 (LayerZero attributes to TraderTraitor). Together: roughly $577M, or 95% of the month.

The long tail

A dozen smaller exploits filled in the rest of the ledger — CoW Swap, Zerion, Rhea Finance, Silo Finance and others. DeFi Llama's 12-month running total is now $1.71 billion.

Pattern break

March 2026 saw just $52M in hack losses, and January–February were dominated by phishing rather than protocol exploits. April is the first month in 2026 where protocol-level design failures — RPC nodes, verifier configs — drove the headline number.

BlockAI Take

The phishing-to-protocol shift is the real signal. Attackers are no longer chasing whale approvals; they're attacking shared infrastructure where one compromise spreads to every app that imports it. Cross-chain messaging, RPC providers, and oracle feeds are now the highest-value targets on the map.

DeFi Hacks & Exploits Database - DefiLlama
Comprehensive database of DeFi hacks and crypto exploits. Track total value lost, exploit techniques, affected protocols, and historical security incidents. Real-time DeFi security analytics and vulnerability insights.

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How we report: This article cites primary sources, regulatory filings, and on-chain data where available. BlockAI News uses AI tools to assist with research and first-draft generation; every article is reviewed and edited by a human editor before publication. Read our full How We Report page, Editorial Policy, AI Use Policy, and Corrections Policy.

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