Hack history / 2021 / Hack or exploit
Merlin
Hack or exploit on May 26, 2021 · Rounding Error
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$550K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,111
among thefts by dollars lost
What happened
Merlin Labs (PancakeBunny fork) suffered a second exploit 8 hours after the first on May 26, 2021, draining ~$550K. The priceCalculator had critical math errors in share price computation that allowed attackers to manipulate prices and drain funds.
Details
- Date
- May 26, 2021
- Kind
- Hack or exploit
- Method
- Rounding Error
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- BNB Chain
- Audit (rekt.news)
- Hacken
Reported by
Related incidents
Merlin 2024 · Hack or exploit · undisclosed
MERLIN DEX 2023 · Rug pull · $1.8M
Merlin 2021 · Hack or exploit · $330K
Merlin 2021 · Hack or exploit · $680K
MERLIN DEX 2023 · Rug pull · $1.8M
Merlin 2021 · Hack or exploit · $330K
Merlin 2021 · Hack or exploit · $680K
Cite this page
SwanBluechip, "Merlin hack, May 26, 2021: $550K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht95d3975948/ (data as of 2026-11-01).