![](bg8.png)
trees to utilise redundant aggregation paths to com-
pare the outcome of the aggregation and uses hash
trees to be able to determine attackers.
Due to its efficient cryptographic operations, Ac-
countant’s additional messaging overhead is com-
pensated by the lower computational power required
to perform. Accountant does only need to initiate the
second phase of identification, if an attack has been
recognised, lowering its output of messages and re-
quired work in the normal case.
Future work will investigate the reduction of the
number of required trees, so that the overall network
footprint can be reduced.
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