[modeless]

I think "fighting terrorism" in the form of preventing "money laundering" through Bitcoin will be more than enough justification to push a bill through Congress, and even if it is unconstitutional it won't really matter at that point, because Bitcoin will crash long before any constitutional challenge could possibly make it through the courts.

[w-ll]

Just like alcohol use crashed with prohibition, or the drug market? Previous attempts to stop these have resulted in larger market shares of those willing to still do related business and almost always increases demand.

[ufo]

Illegality doesn't increase demand. It just means that the supply gets provided by shady criminals instead of legal business that follow the rules.

[erikpukinskis]

It increases the per-vendor demand as experienced by the vendors who stay in the market.