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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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Avelinz
Newbie
Offline
Activity: 251
Merit: 0
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July 16, 2020, 05:34:13 PM Last edit: July 20, 2020, 07:37:53 PM by Avelinz |
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