Bitcoin is a great but early prototype of what a virtual currency can be. ...but its viability is severely limited going forward due to its mining threshold having been irreversibly surpassed. It has doomed itself.
I don't know about "severely limited", but yes, there is a limitation, and that's because...
The only miners that are capable of mining BTC at a profitable rate, given current difficulty levels, are purpose-built boxes that can't do anything else. As soon as difficulty levels rise enough to make them obsolete and unprofitable to keep running, they're worth no more than their scrap value.
...[snip]...
So yes, done wisely -- your mining rigs really can act like "money trees", but no -- this isn't something "sustainable" forever. It's all about people getting in on it while the opportunity window is there...
I see someone has found the source of one of my earlier statements...
I don't know the reason "why", but regarding the timing, maybe it has something to do with Bitcoin ATM being installed in Canada...
http://www.montrealgazette.com/business/money/Bitcoin+opens+business+Montreal/9469099/story.html
I've found other Bitcoin-related news tidbits at dailybitcoins.net.
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