Hello,

Bitcoin should create blocks every 10 minutes in average. So why do
miners need to mine the 9 minutes after the last block was found? It's
not necessary.

Problem: How to prevent "pre-mining" in the 9 minutes time window?

Possible ideas for discussion:

- (maybe most difficult) global network timer sending a salted hash time
code after 9 minutes. this enables validation by nodes.

- (easy attempt) mining jobs before 9 minutes have a 10 (or 100 or just
high enough) times higher difficulty. so everyone can mine any time but
before to 9 minutes are up there will be a too high downside. It is more
efficient to wait then paying high bills. The bitcoin will get a "puls".


I dont think I see all problems behind these ideas but if there is a
working solution to do so then the energy fud will find it's end. Saving
energy without loosing rosbustness.



:)
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