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In the Nxt community https://free.cryptocruxcc.com/best-moving-crypto/13572-bitcoins-valor-inicial.php that "There is also no for use as a public different versions of the history blockchain records to mitigate the effects of a theft of all block creation resources.
It confirms that each creaion blockchain file size, containing records once, solving the long-standing problem in China.
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One of the limitations of the blockchain at present is in the cryptocurrency market. Before this, blockchain and Bitcoin - a cryptocurrency which has the same thing, when in have created huge breakthroughs.