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The block chain is the main innovation of Bitcoin. It is the
first distributed timestamping system.
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Sumonislam860
Newbie
Offline
Activity: 42
Merit: 0
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July 07, 2018, 12:07:55 PM |
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Proof of joined post Telegram username: @Sumonislam2018 DreamReal platform username: sumon78666 twitter url:https://twitter.com/SumonIslam2018 facebook url: https://www.facebook.com/mahfujul.islam.568632ETH wallet address: 0xD4c262b90DbcFd04d9a8eaF0B85A7Bcd71B060aa Number in the spreadsheet: 3428
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