Monitoring
Dashboard/Crypto Hacks/Ostium
HIGHArbitrum·Private Key Compromised·#114 all-time

Ostium

$23.8M stolenWednesday, July 15, 2026 · 46 days ago

Corpus updated 2026-08-30

Situation Summary

7/15/2026 — EXPLOIT DETECTED

$23.8M drained from Ostium on Arbitrum.

TECHNIQUE: PRIVATE KEY COMPROMISED

Social Reactions

@ZachXBT coverage

On-chain investigator · Often first to report

View on 𝕏 →

Community discussion

Live search for “Ostiumhack” on 𝕏

View on 𝕏 →

DefiLlama incident data

Full database of DeFi hacks and exploits

View →

Related — Private Key Compromised Exploits

DEXX
11/16/2024$21.0M
Tether
11/19/2017$31.0M
US Government Crypto Wallet
10/24/2024$20.0M
Humanity
6/8/2026$32.0M
Rain
4/29/2024$14.8M

Nearby in the record

TeleSwap
7/15/2026$735K
Cascade Liquidity Strategy
7/15/2026$1.3M
BarnBridge
7/14/2026$776K
DefiTuna Lending
7/16/2026$580K
Drips Network
7/14/2026$25K
CrowdRingCircle
7/16/2026$209K
← All incidents

Source: DefiLlama · 1241 recorded incidents · data as of 2026-08-30 03:37 UTC