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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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bitcoinworld27
Newbie
 Offline
Activity: 203
Merit: 0
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September 09, 2018, 06:15:23 AM |
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#Proof of authentication Twitter Url : https://twitter.com/azharsop5Telegram username : @shbz3_telegram bitcointalk username: bitcoinworld27 |
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Adeen721
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Activity: 38
Merit: 0
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September 09, 2018, 06:27:29 AM |
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#Proof of authentication
Twitter Url :https://twitter.com/AdnanAh63139555
Telegram username : @tipu01
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waleedbhr
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Activity: 574
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September 09, 2018, 07:10:16 AM |
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#Proof of Authentication
Twitter URL: @abnoorbhr
Telegram Username: @adeelbhr
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Nisar72323
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Activity: 16
Merit: 0
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September 09, 2018, 07:18:27 AM |
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#Proof of authentication
Twitter Profile Link :https://twitter.com/NisarSoge
Telegram username : @Ns72323
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