“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.
2020/7/31. The Information Technology I found that Information Technology(IT) has various meanings. 1)Usually IT means; How I work with PC. 2)Advanced IT means; How PC works for me. The 1) means that people have to sit down in front of PC. The 2) means that PC works for people wherever he/she is. And using pc for me needs automation technology & server side technology(24/7 working technology). I am learning Automator(Apple’s app) and server side technology now. Automation and 24/7, these are keywords for IT. And they require low electric energy cost.