Maybe, whales don't want so many people can access easy wallets to use, and catch more intention of investors. Grin coin, basically a very potential good altcoins. Over years, this is the first altcoin theymos have big interests. Additionally, there is no easy way to make a fortune, right. People have to pay a cost if they want to build their own fortune, self-made fortune. Grin coin Windows GUI wallet will appear at the right period, at which the coin will take off.