This is a great way to express support for Ukraine. It is also aimed initially at foreign IT businesses. A much better, earlier, overview of the extent of the aims and opportunities are found at "Government green lights e-residency in Ukraine" [0]

""During a full-scale war, it is very important to attract additional funds to the budget and support the country's economy. The e-resident status will allow foreigners to register a business in a few clicks, develop it remotely and pay taxes in Ukraine on favorable terms (5% of income, 15% of the amount, which exceeds the limit)", said the minister.

According to Fedorov, the Ministry of Digitization team is already working on the development of a web version and a mobile application using digital signature cloud technologies. This will allow entrepreneurs to register or open a bank account quickly and conveniently, through a browser or smartphone, without papers and complex bureaucratic procedures"

[0] https://www.kmu.gov.ua/en/news/uryad-pidtrimav-zaprovadzhenn...