W3C or IETF are open by their nature. Thus, there can be multiple backdoors inserted by multiple parties. So if you use multiple such standards to encrypr, it m

W3C or IETF are open by their nature. Thus, there can be multiple backdoors inserted by multiple parties. So if you use multiple such standards to encrypr, it may happen that there's an entity that has backdoor in all of them. A standard from NSA, on the other hand, is guaranteed to have exactly one backdoor. Same goes for KGB etc.