Bybit

Supply Chain Attack

Estimated loss

$1.46B

VERDICT —UNRATED

Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.

▰ METHOD

Undisclosed

Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

▰ PROOF OF CONCEPT

DEFIHACKLABS

src/test/2025-02/Bybit_exp.sol

view forked test on github ↗

Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.

Forensic narrative

On February 21, 2025, on-chain investigator ZachXBT revealed a large-scale outflow of funds from the Bybit platform, resulting in the theft of over $1.46 billion. Attack method (per SlowMist): Supply Chain Attack. Reported loss: $ 1,460,000,000.

Primary source

https://x.com/SlowMist_Team/status/1892963250385592345 ↗

Sourced from

slowmist

Technical record