March was a reminder that crypto security risk never really leaves, it just changes costumes.
PeckShield said hackers drained more than $52 million across 20 major incidents in March 2026. That is a 96% jump from February's $26.5 million, and a sharp reversal after February posted the lowest monthly loss total in roughly 11 months. [1]
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The biggest hits came fast
The largest single exploit of the month was Resolv Labs, which lost about $25 million. One incident accounting for nearly half the monthly total tells you a lot about the current threat landscape: the headline number can swing hard when a single protocol gets caught sleeping. [2]
That concentration also matters for market psychology. A month with 20 hacks and one outsized loss looks different from a month with dozens of mid-sized drains. It suggests attackers are still finding payoff in targeted strikes, especially where smart contract assumptions, access controls, or operational security break down.
February looked almost healthy by crypto standards. March killed that narrative.
The new data points to elevated threat levels returning just one month later. Security firms often warn against reading too much into one quiet month, and this is why. Lower losses in February did not mean attackers were gone. It likely meant fewer successful large-scale incidents landed during that window.
PeckShield also flagged what it called "shadow contagion," a useful label for second-order damage that does not always show up in the first loss tally. A hack can trigger liquidity exits, force treasury reshuffles, freeze user activity, and wreck confidence in connected apps. The visible exploit is only the first candle. [3]
The old-school attack vector is back
One of the more notable shifts in March was not just on-chain exploitation. Physical and social engineering attacks reappeared in force, with combined losses reaching $42 million, according to the research cited. [4]
That matters because it widens the threat model. Crypto teams love to talk audits, formal verification, and bug bounties. All useful. None of that helps much if a signer gets manipulated, coerced, or socially engineered into handing over access. If March proved anything, it is that the attack surface is not only code, it is also people.
For funds, founders, and even relatively normal bag holders with meaningful size, this is the part worth underlining. Hardware wallets and multisigs are not magic if key management hygiene is sloppy or if human trust gets exploited.
A $52 million monthly loss total is still below the industry's worst blowups from prior years, so this is not a record-setting panic moment. But the month-over-month acceleration is the real story. Nearly doubling from February suggests the quieter patch was fragile, not structural. [5]
Twenty major incidents in one month also says the problem is broad, not isolated. Even if one exploit dominates the scoreboard, the frequency shows plenty of protocols still have holes, whether in code, permissions, backend infrastructure, or team security processes.
What to watch next
April now becomes a simple test. If losses cool and the incident count drops, March may look like a bad spike driven by one or two large failures. If social engineering and physical compromise keep showing up alongside smart contract hacks, expect security conversations to shift away from pure code risk and toward operational defense.
If the monthly tally stays elevated, watch for tighter treasury controls, more aggressive audit disclosures, and users getting far pickier about where they park liquidity. If not, the market will do what it always does, shrug, reload, and hope not to get rekt next.
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