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Hack history / 2018 / Hack or exploit

Monacoin

Hack or exploit on May 18, 2018 · 51% attack

ONE SOURCE · 1 SOURCE
Lost
$90K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,770
among thefts by dollars lost

What happened

On May 18, a Reddit netizen posted that Monacoin suffered a 51% computing power attack, a selfish mining attack, and a time stamp attack. The exact time occurred from May 13 to May 15. Some exchanges that support Monacoin trading, such as Bittrex, Livecoin have closed Monacoin recharge.

Details

Date
May 18, 2018
Kind
Hack or exploit
Method
51% attack
How in
Other
Target
not stated
Chains
not stated

Reported by

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Cite this pageSwanBluechip, "Monacoin hack, May 18, 2018: $90K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htc6b326b8cb/ (data as of 2026-10-31).
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