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Hack history / 2020 / Hack or exploit

Grin

Hack or exploit on Nov 8, 2020 · Validator Key Compromised

SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
undisclosed
dollars at the time
Returned
none listed
as the sources state it
Rank
not ranked
collapses, frauds and later news are not ranked

What happened

Unknown miner(s) acquired 57.4% of Grin's network hash power on November 7-8, enabling 51% attack capabilities. The attacker reorganized at least one forked block, likely through rented hashrate from cloud mining services during a price surge.

Details

Date
Nov 8, 2020
Kind
Hack or exploit
Method
Validator Key Compromised
How in
Keys, accounts and infrastructure
Target
Chain
Chains
Grin

Reported by

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Cite this pageSwanBluechip, "Grin hack, Nov 8, 2020: undisclosed lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht2d75ed10df/ (data as of 2026-10-31).
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