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Keep in mind they could do a hardfork and change the 5 days to whatever is agreed upon, but for now it's 5 days.

Thanks so much for that. I'll try to keep that in mind. Has the regeneration rate always been around 20% per day since the start?

Thx for the info.. tried to find it but didn't know the five days. Was it changed during last years? I am new so don't know history..