In contrast to public blockchains, private blockchains store more data than just the unique text strings associated with the assets being exchanged. Operators therefore must decide how to resolve issues when identification credentials are lost. Owners of a private blockchain need to make a decision as to whether or not verified transactions can be reversed and under what circumstances. For example, they need to decide what happens when data or assets are stolen. Reversing a verified transaction can undermine confidence in the impartiality and fairness of the system. Nonetheless, if it's the result of an exploit or a bug and the system permits it, the blockchain will lose users and it can lead to financial losses. ...
Reversibility of transactions
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