Monitoring

UPCX

HIGHEthereum·Proxy Upgrade Hijack·#56 all-time
$70.0M stolenTuesday, April 1, 2025 · 572 days ago

Corpus updated 2026-10-25

What happened

  • UPCX, a defi protocol, lost $70.0M on April 1, 2025.

  • The 7th largest of the 148 incidents recorded in 2025: 2.6% of the $2.72B lost to hacks that year.

  • One other incident was recorded the same day.

  • Proxy Upgrade Hijack is behind 6 recorded incidents totalling $430.5M; this is the 2nd largest of them.

Cite this record

Monitoring Room, "UPCX hack — $70.0M stolen", incident record, data: DefiLlama hacks dataset, as of 2026-10-25 08:00 UTC. https://monitoringroom.com/situation/crypto-hack/upcx

Nearby in the record

Zapper
4/1/2025$0
AIRWA
4/4/2025$34K
Tenderize V2
4/7/2025$11K
Venus Core Pool
3/29/2025$902K
KiloEx
4/14/2025$7.5M
← All incidents

Source: DefiLlama · 1317 recorded incidents · data as of 2026-10-25 08:00 UTC