Hack history / 2022 / Hack or exploit
Sovryn
Hack or exploit on Oct 4, 2022 · Reentrancy
SOURCES AGREE ON DATE AND LOSS · 4 SOURCES
Lost
$1.1M
dollars at the time
Returned
none listed
as the sources state it
Rank
#901
among thefts by dollars lost
What happened
On October 4, 2022, Sovryn's legacy Lend/Borrow pool was exploited via cross-contract reentrancy in closeWithDeposit. Attacker manipulated iToken price through fallback functions triggered by RBTC/rUSDT transfers, draining 44.9368 RBTC and 282,351.9644 rUSDT (~$1.1M).
Details
- Date
- Oct 4, 2022
- Kind
- Hack or exploit
- Method
- Reentrancy
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- RSK, Ethereum, Bitcoin
- Audit (rekt.news)
- unaudited
After the theft
- Recovered or seized
- yes, amount not stated
“Half of the funds will be recovered, and any additional losses will be fully compensated by the treasury.” (SlowMist Hacked) - Victims reimbursed
- yes, amount not stated
“Half of the funds will be recovered, and any additional losses will be fully compensated by the treasury.” (SlowMist Hacked)
Related incidents
Rari Capital 2022 · Hack or exploit · $80M
Hundred Finance 2022 · Hack or exploit · $6.2M
Agave 2022 · Hack or exploit · $5.5M
Voltage Finance 2022 · Hack or exploit · $4.7M
DFX V2 2022 · Hack or exploit · $4M
Hundred Finance 2022 · Hack or exploit · $6.2M
Agave 2022 · Hack or exploit · $5.5M
Voltage Finance 2022 · Hack or exploit · $4.7M
DFX V2 2022 · Hack or exploit · $4M
Cite this page
SwanBluechip, "Sovryn hack, Oct 4, 2022: $1.1M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htfd6c081a28/ (data as of 2026-10-31).