I'm pretty sure that "trustless mixing" is the very same method as described here. This method requires no changes to the bitcoin protocol and I'm fairly certain is in at least limited use today, given that there's been software released to facilitate it.

Here's where you stop reading:

"1) Bitcoin was almost certainly a team effort. The design has been peer-reviewed and is found to be remarkably secure, complete and well-rounded[1]. I argue that this suggests that a peer-review or quality control process has already been applied. If one individual cryptographer had written Bitcoin, it would contain far more idiosyncracies than it does, not just in the cryptosystem design but also in the C++ code itself."

Now... go get a copy of the 0.1 bitcoin client - the one that Satoshi wrote - and take a look at the code. It's hideous. Really bad.

USA did NOT have to default on its creditors, 2300BILLION USD are collected per year by the feds, less than 300BILLION USD need to be paid out as the interest.

Obama, other politicians, the MSM all came out and told the bond holders: you are the low men on the totem pole, we won't pay you if we can't borrow more from you even though we collect almost 10 times the money in taxes that we need to pay you.

Anybody in their sane mind would see this as a direct threat against their assets (US bonds or dollars) if they have any and would immediately start unloading, but then again, this was obvious for a couple of decades now what is going on, specifically after the real default in 1971, when Nixon defaulted on the gold dollar.

Are you trying to imply that there is a world beyond American shores?