Hack history / 2024 / Hack or exploit
BTC24H
Hack or exploit on Dec 16, 2024 · Improper Access Control
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 3 SOURCES
Lost
$86K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,790
among thefts by dollars lost
What happened
BTC24H Lock contract on Polygon was exploited in December 2024 for $85,700. The claim function failed to verify if msg.sender was an eligible claimant, allowing anyone to claim BTC24H tokens without authorization.
Details
- Date
- Dec 16, 2024
- Kind
- Hack or exploit
- Method
- Improper Access Control
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Polygon
Reported by
Related incidents
Casper Network 2024 · Hack or exploit · $6.7M
Hector Network 2024 · Hack or exploit · $2.7M
Dolomite 2024 · Hack or exploit · $1.8M
Vowcurrency 2024 · Hack or exploit · $1.2M
XBridge 2024 · Hack or exploit · $824K
Hector Network 2024 · Hack or exploit · $2.7M
Dolomite 2024 · Hack or exploit · $1.8M
Vowcurrency 2024 · Hack or exploit · $1.2M
XBridge 2024 · Hack or exploit · $824K
Cite this page
SwanBluechip, "BTC24H hack, Dec 16, 2024: $86K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/hta14664bfcc/ (data as of 2026-10-31).