@Edent Hi !
I think you can explore the way
#librecurrency #Ğ1 deals with currency issuance and block validation.
Currency is issued through a universal dividend, read the Relative Theory of Money for a demonstration:
http://en.trm.creationmonetaire.info/No POW, no POS, based on a web of trust + PoW. I have a node on a raspberry pi. The
#duniter protocol allows very low power consumption.
And we have real-life trades. see gchange.fr
Mostly in french-speaking countries, for now.