USYC · Transparency · OCB Trace v1.0

TraceR11 · v1.0

USYCtransparencygovernance finding

Verified Jun 1, 2026 UTC

owner() on ShortDurationYieldCoinProxy returned a plain EOA — no Contract tab on Etherscan. Funded by "Hashnote: Deployer". Only 3 transactions: 1 funding transfer in, 2 "Upgrade To" calls out to USYC token (314 days ago and 174 days ago). Single EOA controls UUPS upgrades on ~$3B token — no multisig, no timelock.

Subject

0x13FF8C…182dD6

Hashnote USYC upgrade EOA

Score impact: governance sub-signal: 4/10 (single EOA). upgrade_pattern uups: 3/15. Total governance: 7/25. Material risk: ~$3B controlled by a single key.

Provenance

Evidence ID

d4ac6b53-5bed-441a-97e4-4bfd42bfb98f

Verified

Jun 1, 2026 UTC

Verified by

manual

Confidence

95%

Source

Etherscan address page — no Contract tab. Funded by Hashnote: Deployer. 3 txns: 2 Upgrade To calls to USYC token.

Instrument

usyc_eth

Methodology

View rubric ↗

View primary source ↗

Analyst notes

Hashnote acquired by Circle early 2024 — the key may be under Circle infrastructure but admin has not changed onchain. Higher risk than BUIDL/BENJI due to fund AUM (~$3B vs $115M).

OnChain Benchmark · Trace R11 · Independent · Not investment advice

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