
Crypto Hackers Steal $169M from 34 DeFi Protocols in Q1 2026
Key Takeaways
- $168.6 million stolen from 34 DeFi protocols in Q1 2026.
- Step Finance suffered a $40 million private-key compromise, the quarter's largest attack.
- Year-over-year losses declined about 89%, down from $1.58B in Q1 2025.
Q1 DeFi Hacks
Crypto hackers stole approximately $168.6 million from 34 DeFi protocols in Q1 2026.
“DeFi hacks totaled 170 billion won in Q1…“Scale has fallen, but security concerns persist” Summary - It was reported that DeFi protocols suffered hacking losses of about $168”
This was an 89% decline compared to $1.58 billion stolen in Q1 2025.

The largest single exploit was a $40 million private key compromise at Step Finance.
Experts caution that cybercriminal activity tends to rise around market and event-driven cycles.
Key Exploits and Causes
The Step Finance hack stemmed from operational security failures.
Truebit's exploit involved classic smart contract vulnerabilities.

Resolv Labs' breach was another private key compromise.
DeFi suffers from poorly sealed details and human errors.
Persistent Threats
North Korea-linked actors have been a persistent threat.
“Home»News»Crypto News DeFi did not have its most explosive quarter, but it remains an open target”
The Drift Protocol breach resulted in $280 million in losses.
The threat explosion across new crypto sectors illustrates ongoing volatility.
Cybercrime tactics are evolving beyond technical vulnerabilities.
Continuous Defense Needed
Security in crypto must be continuous, not episodic.
The industry remained highly vulnerable despite decreased losses.

Continuous security management is essential to protect user funds.
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