Comment: It gets even worse...

(See in situ)

It gets even worse...

If you take the blockchain (which contains every transaction), then monitor a bunch of Tor nodes for an extended period time and collect the info, and combine that info back with the blockchain, you can get much much more info about bitcoin users. Often you can get login id's, passwords, and even text home addresses and phone numbers.

A Scottish university (funded by a very large American bank) did just that:

~wobbles but doesn't fall down~