“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.
2023/11/12. The comedy of the commons I read some books about Game Theory. I found “Tragedy of the commons”. https://en.wikipedia.org/wiki/Tragedy_of_the_commons Next, I thought about Japan in near future. The population of Japan is decreasing, so that there will be the comedy of the commons. Tragedy of the commons is caused by increasing the people who want to take from commons. And if the number of the people is decreasing, there may be the comedy of the commons.