“Digital Currency” Recently, Digital Currency is proceeding, but limited to wallets for purchase. To proceed more, digital currency must be applied to assets classes. Then, paper and coins currency can be invalid. If digital currency is applied to assets and used in smartphones, various types of Bonds and Securities are possible. Digital Currency is associated with Personal Information, and it causes fear and intrust to own government for some people. This problem can be solved by fear to lose money. If paper and coins are invalid, people must use digital currency. To proceed Digital Currency, deleting trust for Bitcoin is good way. Bitcoin is used for dark money, and not in control by trustable organizations. Digital Currency by government can compete Bitcoin if the government is trustable. In addition, Bitcoin has several deep security risk by hackers. Roll back is impossible when hackers steal Bitcoin.
2019/10/27. The Xcode help Xcode help is very useful! I am trying to new macOS app by Xcode with Swift language. There is a few sources or blogs for developing macOS with Swift. How can I develop? I found Xcode help is very useful. Searching how to do it is very easy. Easy to find & to understand. Recently, I become I don’t like smartphones. Because smartphones drain our time so many. So I want to shift developing from iOS apps to macOS apps. I feel that making iOS apps is helping for draining other people’s time. I think it’s not good. Of course, company and rich people may like to drain other people’s assets. But I don’t like it.