“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.
2018/11/27. Linux school: I will graduate in soon… Linux school teachers taught me a lot. And it will help my future life. I learned how to use linux server , networks & html/css , php programming. I haven ’ t got LPIC level 1 , but I will try it in soon. LPIC level 1 was difficult , but now I can learn Linux by Oracle app “ Virtual Box ” . I am worrying about that app being paid one. Java was free language… Virtual Box is very powerful tool for beginners… Now , I am interested in PHP programming. And if I want to learn it more , virtual box is essential… #I returned to blogger. AWS site is very expensive to maintain , so I stopped.