The legality of crypto-currencies in the US ultimately hinges on whether Wall St. execs can make money off them. If they could "frontrun" bitcoin trades, "naked short sell" into bitcoin exchanges, and execute "wash trades" to fix the price of bitcoins, then not only would bitcoin be declared legal, but we would see the US government using it and have it forced down the throats of middle-class pension funds.<p>But Wall St. can't control bitcoin. So JP Morgan CEO Jamie Dimon denounced it as "terrible" and predicted its downfall. Source: <a href="http://rt.com/usa/chase-ceo-bitcoin-terrible-downfall-100/" rel="nofollow">http://rt.com/usa/chase-ceo-bitcoin-terrible-downfall-100/</a><p>Then JP Morgan filed patents on its own crypto-currency, one that it can rig with frontrunning, naked short selling, and wash trades. Source: <a href="http://www.ft.com/cms/s/0/e230307a-61c4-11e3-aa02-00144feabdc0.html#axzz2rjvqMuDn" rel="nofollow">http://www.ft.com/cms/s/0/e230307a-61c4-11e3-aa02-00144feabd...</a><p>As for bitcoin, I predict we'll increasingly see it in the news headlines linked to: (1) illegal drugs, (2) child porn, and (3) terrorism. These are the exact same smear tactics we've seen before used against P2P filesharing.<p>And we'll see lots more bitcoin arrests like these.