Trying to distort the market so that lower priced items are more profitable is quite challenging to do without unintended consequences. A progressive consumption tax would definitely be a worthy experiment

When I say it should be free, it means that there is no cost to be paid by individual

No, I don’t support UBI, but I support UBS - Universal basic services. Food, housing, water, education, etc should be free at a basic level. Basic level for housing for example will be ‘Housing First’ concept in Finland.

I too would recommend that you start with something small that you want to build and google the best language for it and a guide.

Sounds sensible from an economics perspective but what about violence? How can state wither away when there needs to be control of violence?

₹719 for 1 GB/Day + Unlimited Calls + 100 SMS/Day valid for 72 Days. Post daily quota, data speed will be upto 64Kbps. About 3.4 eur per month.

Section 230 protection also needs to be removed. Let civil cases take care of misinformation and such. Currently content aggregators take no liability in what they choose to show in the their feed. Between sorting chronologically and machine learning, there is a line to be drawn.

You can check out the use cases on hyperledgers blog. E.g. https://www.lfdecentralizedtrust.org/blog/energy-mines-digital-trust-the-future-of-global-supply-chains