Hack history / 2025 / Hack or exploit
Prysm consensus client bug causes Ethereum validators to lose over $1 million
Hack or exploit on Dec 4, 2025
ONE SOURCE · 1 SOURCE
Lost
$1.2M
dollars at the time
Returned
none listed
as the sources state it
Rank
#878
among thefts by dollars lost
What happened
No description from DefiLlama or SlowMist; see the sources below.
Details
- Date
- Dec 4, 2025
- Kind
- Hack or exploit
- Method
- not stated
- How in
- Other
- Target
- not stated
- Chains
- Ethereum
Reported by
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Cite this page
SwanBluechip, "Prysm consensus client bug causes Ethereum validators to lose over $1 million hack, Dec 4, 2025: $1.2M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht6acbc36b09/ (data as of 2026-11-01).