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Abstract
Bitcoin is a prevalent cryptographic money records theexchanges in dispersed affix just display the data called block-chain.In 2009, Bit-coin prudence hasgrow at extremely large rate, and current the value is 170 billionsdollars. This growth in the market approximation of Bit-coin propels for to abuse fault for profit, and scientists to find new weakness in the architecture , propose solutionsand up-coming patterns. In this paper , we formulate the privacy issue in the bit-coin mining and illegal using bit coin in India with global market . This provides the future direction to reader.