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Non-goals

Witness does not currently provide:

  • proof of content authorship or ownership;
  • global ordering across independent Witness networks;
  • Byzantine consensus or finality beyond configured threshold signatures;
  • content confidentiality if clients upload content elsewhere or include identifying metadata;
  • anonymity against an operator that correlates IP addresses, timing, User-Agent strings, application identifiers, or reverse-proxy logs;
  • protection from timestamp spam unless Freebird or equivalent admission control is required; or
  • tamper-evident operator logs outside the signed tree-head/proof model.

Threshold signatures are not a substitute for independent operators, protected keys, correct client verification, TLS, authentication, or operational backups. Optional federation and external anchors do not change these non-goals.