$3.1 Billion in Crypto Lost in 2025’s Painful First Half: Hacken

Key Points

1. The crypto industry lost over $3.1 billion in the first half of 2025, surpassing last year's $2.85 billion by over 6%.

2. Access-control exploits dominated losses, accounting for 83% of Q1's total losses and approximately $1.83 billion across DeFi.

3. DeFi suffered its worst quarter since early 2023, with $300 million drained in Q2, representing 8% of total crypto losses.

4. Phishing and social-engineering scams resulted in $330 million lost in Bitcoin, while phone-based scams mimicking Coinbase support drained over $100 million.

5. Q2 was comparatively quieter than Q1, with under $200 million lost to similar exploits.