With this instability, and with a downward trend obviously people will not accept it, but it is something that a medium-term future will see more frequently.

This is a big issue, touch the core points of modern liquidity and technology economy. You have to follow the Indian system very closely to see how it goes and have an idea of what might happen.

The appropriate term would not be inflation / deflation, economically speaking that is a much more complex term than what is stated in this post. Here the law of the market is easily verifiable. Offer / Demand, which is what is currently affecting the price of Bitcoin and will certainly continue to affect the price in a positive way when it increasingly approaches the maximum number of Bitcoins issued.

Ethereum's technological platform is very good, so much so that it is the basis with which other ICO's have arisen, because it has no future?
It's a different bitcoin concept, but it's a great investment option.