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Synthetix USD (sUSD) Smart Contract Risk

Upgradeable Proxy Token

⚡ MEDIUM severity

Vulnerability

sUSD is an upgradeable proxy token. The implementation contract can be changed by the Synthetix team, potentially altering transfer behavior, adding fees, or changing the token interface.

Related: Proxy Storage Collision

Safe integration

Be aware that token behavior may change after deployment. Monitor proxy upgrades and implement circuit breakers for critical integrations.

Contract addresses

Chain	Address
Ethereum	`0x57ab1ec28d129707052df4df418d58a2d46d5f51`

Audit any contract that interacts with sUSD: SmartContract.us automatically detects sUSD integration risks →

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