{
  "title": "Evidence required for each stage of a Bitcoin upgrade claim",
  "article": "https://synxcrypto.com/articles/bitcoin-quantum-resistance-status-checklist.php#comparison-table",
  "reviewed": "2026-09-21",
  "scope": "Editorial reference table; not a SYNX laboratory measurement. Preserve qualifiers in each row.",
  "columns": [
    "Stage named in a claim",
    "Evidence to record",
    "Limit of that evidence"
  ],
  "rows": [
    [
      "Cryptographic specification",
      "Scheme, variant and intended security role",
      "A standard does not document a Bitcoin deployment"
    ],
    [
      "Proposal",
      "Current status, scope and unresolved dependencies",
      "A Draft is not an instruction already enforced by the network"
    ],
    [
      "Software implementation",
      "Exact release and the rules it implements",
      "Available code does not establish network-wide activation"
    ],
    [
      "Network activation",
      "The network and evidence that relevant rules are enforced",
      "An unrelated fork or test environment does not establish mainnet behavior"
    ],
    [
      "Holder migration",
      "Supported outputs, signing tools and recovery path",
      "A migration plan does not show that a particular holding has moved"
    ]
  ],
  "sources": [
    {
      "url": "https://synxcrypto.com/articles/02-when-will-quantum-computers-break-bitcoin-ecdsa.php",
      "label": "SYNX: Bitcoin signature replacement and migration discussion"
    },
    {
      "url": "https://csrc.nist.gov/pubs/fips/205/final",
      "label": "NIST FIPS 205: signature algorithm scope"
    },
    {
      "url": "https://www.nist.gov/news-events/news/2024/08/nist-releases-first-3-finalized-post-quantum-encryption-standards",
      "label": "NIST: finalized post-quantum standards"
    }
  ]
}