also, just as important, the exchanges were never part of the development of bitcoin.
they emerged later, to fill a need to cash out, etc. and they are truly the weak link. mtgox, for instance, fell into the #1 spot by pure luck, they already had the functionality as they were the exchanger for the online game
MagicTheGatheringOnlineeXchange = MTGOX
and that is exactly where the big problems lie.
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