What if I say that there could be a token that is:

- liquid even without listing;
- backed by network coin(ETH) earned from DeFi service commissions (lowest price guaranteed);
- always open for returns;
- decreasing emissions upon reaching a certain cap;

Is this interesting?

I will be grateful if you name them.

Currently, collateralized tokens are mostly stable coins (including oil or gold) or tokenized shares. 

We are preparing a project that interacts with DeFi and converts part of the earned rewards into our token. 

its main idea is a completely open security in ETH, which every user can withdraw back at any time.

for holding interest, it will be added the possibility of commission-free reinvestment and emission reduction, which will also increase its minimum price in relation to ETH. At the moment, we are in the final tests on the main Base network, so the name, links and the rest will only be available after filling out the documentation, auditing contracts and other points that guarantee (as far as possible) the purity of the service’s intentions

And thank you very much for your interest! It means a lot after half of year of hard work!

It does exist. 

There are quite several tokens that have those qualities. Sustainability is very important. 

Yours sound interesting. Let's know what token you are talking about.