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20 sats \ 1 reply \ @nullcount 9h \ parent \ on: Mining 5 blocks in a row! Is this a real problem?? bitcoin_Mining
This is why many places of business require 3-6 block confirmations to render goods/services. However, as miners get more centralized, this should really be raised to 10-30 block confirmations, if you don't trust the miners to play nice.