I'll think today / tomorrow about making the spreadsheet available only to campaign members. By the way, if I'm not mistaken, I saw something similar in another campaign yesterday, but I can't remember which one.
Yes, that should be the BetterCallRaul.it campaign from Royse777.
To access spreadsheet you will need to provide me a Gmail email address via PM (Only for accepted participants)
There you have to register with your gmail address. But I find a gmail address somewhat inappropriate for a service that advertises anonymity.
One disadvantage of a closed spreadsheet is the lack of transparency. No one can check whether there is anyone cheating (e.g. multiple accounts).