Hack history / 2025 / Hack or exploit
Kinto Bridge
Hack or exploit on Jul 10, 2025 · Uninitialized Proxy
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$1.6M
dollars at the time
Returned
none listed
as the sources state it
Rank
#784
among thefts by dollars lost
What happened
Kinto K token contract on Arbitrum was exploited on July 10, 2025 via hidden/uninitialized proxy implementation slot (CPIMP-class vulnerability), allowing attacker to mint ~110K counterfeit tokens and drain ~577 ETH from lending pools; K token lost ~95% value.
Details
- Date
- Jul 10, 2025
- Kind
- Hack or exploit
- Method
- Uninitialized Proxy
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Arbitrum
Reported by
Related incidents
Cite this page
SwanBluechip, "Kinto Bridge hack, Jul 10, 2025: $1.6M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht06e9420f40/ (data as of 2026-10-31).