Coldcard hack sparks biggest sub-1 BTC move since FTX: CryptoQuant

Bitcoin users moved 39,600 BTC in small transactions as the Coldcard hack continued, with researchers warning that the attack remained active.

The top 3

  1. Top 3 Largest Crypto Hacks by Stolen Value: The three largest crypto hacks by stolen value include Bybit's $1.4-$1.5 billion breach in 2025, the Ronin Network exploit of $615 million in 2022, and the Coincheck hack of $534 million in 2018.
  2. Exchange Breaches That Reshaped Crypto Security: Major exchange hacks like Mt. Gox in 2014, Coincheck in 2018, and FTX in 2022 significantly impacted trust and led to increased awareness of self-custody and improved security practices within the crypto industry.
  3. Top Methods Used in Crypto Attacks: The most common methods for crypto attacks include smart contract exploits, which accounted for almost 64% of hacks in 2025, private key compromises, and cross-chain bridge exploits.

Sources

Open the full topic