Incentivize inclusion of stake update messages #81
jsoares
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In some Proof-of-Stake protocols participants must re-commit their stake after some periods of time. Generally, this is done to ensure that all the committed stake is active, in other protocols stake expires and must be re-committed.
In Filecoin, the stake of a participant is the space that they are proving to store, in order to maintain their “space stake”, they must prove it daily - this can be seen as a confirmation of stake commitment in proof of stake protocols.
In such protocols we have the following problems:
Some potential directions to solve this problem are:
This work will probably require a refinement of our set of assumptions and specifically the introduction of non-standard assumptions. For example, some assumptions about the distribution of stake (is it uniform or does there exist large disparities?) or participants’ belief (whether they believe that there exist malicious participants or not) should be taken into account.
Why is it important in Filecoin?
In Filecoin participants need to send messages daily in order to maintain their power in the consensus protocol hence this problem is paramount.
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