Hack history / 2026 / Hack or exploit
QNT Reserve Pool
Hack or exploit on Apr 29, 2026 · EIP-7702 arbitrary call vulnerability — admin EOA delegated code to BatchExecutor which authorized a permissionless BatchCall contract; attacker called BatchCall.batch() without any permission checks to drain reserve pool
ONE SOURCE · 1 SOURCE
Lost
$55K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,869
among thefts by dollars lost
What happened
No description from DefiLlama or SlowMist; see the sources below.
Details
- Date
- Apr 29, 2026
- Kind
- Hack or exploit
- Method
- EIP-7702 arbitrary call vulnerability — admin EOA delegated code to BatchExecutor which authorized a permissionless BatchCall contract; attacker called BatchCall.batch() without any permission checks to drain reserve pool
- How in
- Smart contract bug
- Target
- DeFi protocol or token
- Chains
- Ethereum
How sure: 0 of 4 checks what the checks mean
- Witnessesone source so far
- Same storyneeds a second source
- Blockchain receiptno public attack transaction checked
- Official wordno official statement linked
Who says what
Figure used: $55K, the figure ack3 H1 2026 dataset (CC BY 4.0) gives. Each source's own figure is in dollars at the time.
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Cite this page
SwanBluechip, "QNT Reserve Pool hack, Apr 29, 2026: $55K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htd01444c69c/ (data as of 2026-11-01).