Thanks for the write-up!

For further reading, take a look at the two proposed whitelist procedures (including the greylist) that address some of these issues. One is being voted on right now!

[Adding a Project and the Greylist - Voting going on now!](https://github.com/gridcoin-community/Gridcoin-Tasks/issues/194)

[Delisting a project - Work in Progress Proposal](https://github.com/gridcoin-community/Gridcoin-Tasks/issues/201)

Otherwise, I think you have 2 good points that havn't been discussed at length -- the grace period of a project for when it is greylisted, along with possible continued payout during magnitude decay.

I will post these ideas on the GitHub unless you would like to.

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Personally, I don't entirely agree with rewarding magnitude decay for a removed project. The goal is to work toward rewarding actual work done. Rewarding decay is not this. 

In addition, I can imagine someone noticing a project will be dewhitelisted in 2-3 weeks, moving their hardware to that project, charging their mag on that project as other people leave the project, and reaping the benefits of a low mag distribution pool as their mag reduces to 0 while their hardware now crunches away on another project.