A $1.1 million crypto card hack crashed a neobank's token 49%

The exploit caused the neobank's AVICI token to drop 49% from a 24-hour high, hitting a record low before paring some of the losses.

The top 3

  1. Bybit's $1.5 Billion Hot Wallet Theft: In February 2025, Bybit suffered the largest single crypto theft, losing approximately $1.5 billion in ETH due to a private key leak in its hot wallet system.
  2. Ronin Network's $625 Million Bridge Exploit: The Ronin Network, supporting Axie Infinity, suffered a $625 million hack in March 2022 due to compromised validator nodes, making it one of the largest DeFi exploits.
  3. Coincheck's $534 Million NEM Theft: In January 2018, Japanese exchange Coincheck suffered a $534 million theft of NEM tokens, then the largest crypto attack, attributed to malware on employee laptops.

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