Define "properly". At one point, we thought that simply replacing a user's IP with a unique ID was enough to anonymise. At one point, a blur or pixelating fil

Define "properly". At one point, we thought that simply replacing a user's IP with a unique ID was enough to anonymise. At one point, a blur or pixelating filter on a photo was sufficient to anonymise it. At one point, Monero transactions were considered anonymous.