About 1,783 wstETH Drained on Base, Losses Top $6 Million, PeckShield Says

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3▲0 ▼2Impact / 5
Summary · why it matters

Blockchain security firm PeckShield reported on October 4 that roughly 1,783 wstETH was drained on Base, Ethereum's layer-2 network. The losses amount to about $6 million, or roughly 960 million yen. According to Blockaid, which detected the attack, the victim was a vault used to store and manage crypto assets; a new contract was added to the whitelist that restricts who can use the vault's functions, and aBaswstETH was borrowed from the vault before the tokens were moved to a separate attacker-controlled contract. aBaswstETH is a deposit receipt showing that wstETH, an asset tied to Ethereum staking, was deposited with the lending service Aave. Blockaid initially reported that about $2.02 million was drained in roughly four transactions, but later updated the loss figure to more than $6 million in the same post thread. In a July 28 report, the company said hacking losses in the first half of 2026 exceeded $1 billion, with the number of confirmed attacks hitting a record high.

Impact on assets 2

Others▼ · 2 stocks
₿Lido wstETH
WSTETH-USD
▼ NegativeRegulationrelevance

Roughly 1,783 wstETH, the Lido staking asset, was drained in the Base vault exploit.

Aave
AAVE-USD
▼ NegativeRegulationrelevance

aBaswstETH borrowed from the vault was tied to Aave's lending service, linking the drained funds to Aave's platform.

Off-coverage companies 2

BlockaidPrivate± Mixed
relevance

Blockaid detected and reported the attack, but the news is about the hack, not a company-specific development for Blockaid.

PeckShieldPrivate± Mixed
relevance

PeckShield reported the wstETH drain, but the article describes the hack rather than a company-specific impact on PeckShield.

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