Quote from: winiets on November 06, 2017, 05:55:34 PM

What happens when the block reward will dissapear after 21m coins?

That's more than 100 years from now. Why are you concerned about it?

Quote from: winiets on November 06, 2017, 05:55:34 PM

IMO it can go two ways.
Miners do not think the fees are enough and stop mining btc (BTC dead)
Miners keep mining but transaction fees get too high (people are not paying with btc anymore)
Can you guys share your vision on this?

You don't seem to understand how this works.

Approximately every 4 years (exactly every 210,000 blocks), the size of the block subsidy is cut in half. It doesn't go from "all the bitcoins" to "0 bitcoins" all at once. The subsidy slowly gets smaller and smaller over the next 120 years.

During that time, the miners will adjust to the reduction in subsidy. If some miners stop mining, then other miners will be more profitable (BTC not dead).

If bitcoin becomes more popular, there will be more transactions (more transactions means more fees to collect).

Very cheap transactions may be handled off-chain, and the blockchain may just be used for the larger value transactions, so that higher fees are affordable (people are still paying with bitcoins).

Quote from: winiets on November 06, 2017, 05:55:34 PM

IMO proof of stake coin is the future but that is only speculation.

IMO you are completely wrong, and have a lot to learn before you can offer an opinion worth paying attention to.