SwanBluechipHack historyBinance tracker
Hack history / 2020 / Hack or exploit

ValueDefi

Hack or exploit on Nov 14, 2020 · Spot Price Manipulation

SOURCES AGREE ON DATE AND LOSS · 3 SOURCES
Lost
$7.4M
sources: $6M to $7.4M
Returned
none listed
as the sources state it
Rank
#377
among thefts by dollars lost

What happened

On November 14, 2020, Value DeFi's MultiStablesVault was exploited for $7.4M DAI via a two-stage flashloan attack that manipulated stablecoin exchange rates through Curve's AMM-based oracle. The attacker voluntarily returned $2M after Value DeFi offered a $1M bounty.

Details

Date
Nov 14, 2020
Kind
Hack or exploit
Method
Spot Price Manipulation
How in
Price, oracle and governance
Target
DeFi protocol
Chains
Ethereum
Audit (rekt.news)
unaudited

After the theft

Returned by the attacker
yes, amount not stated
“The attacker voluntarily returned $2M after Value DeFi offered a $1M bounty.” (DefiLlama)

Reported by

Related incidents

ValueDefi 2021 · Hack or exploit · $11M
ValueDefi 2021 · Hack or exploit · $10M
Harvest Finance 2020 · Hack or exploit · $24M
Eminence 2020 · Hack or exploit · $15M
Warp Protocol 2020 · Hack or exploit · $7.8M
Cite this pageSwanBluechip, "ValueDefi hack, Nov 14, 2020: $7.4M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht94fb4b7b92/ (data as of 2026-10-31).
Open in the full listAll incidents