Muhammadalum
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June 18, 2018, 03:59:31 AM |
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Proof of airdrop participation Bitcointalk Username : muhammadalum Bitcointalk profile link : https://bitcointalk.org/index.php?action=profileTelegram Username : @muhammadaltamash Twitter Username : @muhammadaltam15 Facebook username :muhammadaltamash826
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Each block is stacked on top of the previous one. Adding another block to the top makes all lower blocks more difficult to remove: there is more "weight" above each block. A transaction in a block 6 blocks deep (6 confirmations) will be very difficult to remove.
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dangxuanlinh
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Activity: 4
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June 18, 2018, 04:26:45 AM |
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dangxuanlinh
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