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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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lammthuan
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May 20, 2018, 09:31:32 AM |
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nhoem02071
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May 20, 2018, 09:53:02 AM |
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I joined telegram and twitter Telegram username: @nhoem02071 Twitter username: @nhoem02071
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_Antares_
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May 20, 2018, 10:00:04 AM |
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#Joined Airdrop Twitter profile url: https://twitter.com/AntarescryptoTelegram username: @Grog345 Waves wallet: 3P2TQgqXKfvitWz6zy9n3KoJ8SZk8MDFVg4
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