{
  "type": "failure-mode",
  "name": "Entropy theatre presented as a security control",
  "slug": "entropy-theatre-presented-as-a-security-control",
  "section": {
    "id": "ceremony",
    "number": "04",
    "title": "Running or reusing a trusted setup",
    "url": "https://zkpick.com/ceremony/"
  },
  "url": "https://zkpick.com/ceremony/failure-modes/entropy-theatre-presented-as-a-security-control/",
  "markdown": "https://zkpick.com/md/ceremony/failure-modes/entropy-theatre-presented-as-a-security-control.md",
  "detail": "An unusual randomness source is used and publicised in place of a vetted CSPRNG, sometimes with no independent check that it produced high-quality, unpredictable, unrecoverable bits.",
  "mitigation": "Use the platform CSPRNG as the primary source. Additional entropy may be mixed in, and may be filmed for communication purposes, but the security argument must not depend on it.",
  "relatedOptions": [],
  "updated": "2026-09-12",
  "version": "1.3",
  "canonical": "https://zkpick.com/ceremony/failure-modes/entropy-theatre-presented-as-a-security-control/",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "authors": [
    "MarketComp"
  ]
}