“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.
2019/3/30. Problems for improving programming skill I am learning Swift & Python language. To improve my skills , it is necessary to write the code more and more. But these days , I don ’ t have enough time to write the code. Full time job makes it difficult. And writing the code needs much power. My each purposes for learning programming are: Swift is for iOS/macOS apps. Python is for security tools. Now Swift experience is 1 and half year. And the result is below. https://itunes.apple.com/jp/developer/kouhei-takagi/id1385928405 I think this result is not so bad. My Swift skill level is not beginner. Maybe it is low-middle or middle class. And I will learn core data , WebAPI and coreML for next subjects. Problem is that I can ’ t make my apps for the side job because it is forbidden. I care it and I will make macOS apps. And I will upload my macOS apps on GitHub. But Python language… This is not good. I can ’ t use it well. The