Barter Alpha #16: Upgrades, Exploits, and Big Bets
<> Barter routed $2.63B in November
<> Ethereum gas limit raised to 60M
<> Tether vs Hayes debates
<> Ethena hit twice: USDe TVL drops 50% & Terminal shuts down
<> Yearn yETH exploit, $9M lost

@BarterDeFi routed $2.63B volume for November
Another month of heavy flow through our solver network across DEXs and private liquidity venues. Even in a risk-off market, we continue to post strong routing performance.

@Ethereum raised gas limit to 60M ahead of Fusaka
Block gas limit was raised from 45M to 60M, expanding base-layer throughput just days before the Fusaka upgrade. The change passed after a majority of validators signaled support, enabled by recent client optimizations and new safeguards like EIP-7623.
Yearn’s $yETH exploited, attacker mints infinite tokens, drains $9M
Yearn’s yETH LST index was hit by a complex exploit that let an attacker mint near-infinite yETH, drain its pools and wash 1,000 ETH (~$3M) through Tornado Cash.
Total confirmed loss: $9M across yETH stableswap pools. Yearn says V2/V3 vaults are safe, the bug was in a custom stableswap contract, isolated from other products.
Where does DeFi’s next stress point emerge?
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