defirisk.co
rubric v1.7.0

Prior exploit count

Circle USYC's assessment for RD-F-077 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Zero incidents found. Hacksdatabase grep (23 batches, case-insensitive circle/usyc/hashnote) returned 8 files -- all confirmed false-positive collisions with Circle USDC/CCTP, none affecting USYC or Hashnote. Data cache hacks: []. Rekt incidents: []. Two targeted web searches returned no USYC/Hashnote incident reports. Count: 0.

Sources #

  • URL
    USYC Documentation -- no incident disclosuresWeb search: USYC Hashnote depeg redemption halt operational failure -- no results foundretrieved 2026-05-16
  • Internal
    Circle USYC Data Cache -- hacks and rekt fields.research/protocols/circle-usyc/00-data-cache.json sources.defillama.hacks = [] and sources.rekt.incidents = []retrieved 2026-05-16
  • URL
    Hashnote USYC IQ.wiki -- no incidents mentionedWeb search: Hashnote USYC security incident exploit hack 2023 2024 2025 -- no results foundretrieved 2026-05-16

Methodology #

Count the number of distinct incidents in the hack database affecting this protocol.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol circle-usyc factor RD-F-077 score green collected_at 2026-05-15 21:56:43