Impact (IMX) started in 2017 and finished in 2018, with a total supply of 110 million coins. The team/founder is hidden, The main reason this coin was listed is desertion.

(from old site) The main purpose of IMX is to be the true longterm cryptocurrency. We all have one thing in common. And it is the Bitcoin and the technology behind it called Blockchain. Bitcoin already went mainstream and as a currency it still grows up. Problem is ... The greater the BTC is. It is even more difficult to enforce change. For example changing the block size is current topic. It is necessary, but almost unattainable to achieve. Impact was created as a sollution for future. We are all crypto believers and IMX mission is to keep crypto alive even in the future. It is already year 2017. Algorith SHA256 is many years old and it will not take a long time to crack it. One day.