“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.
When discussing IQ and society, it is important to note that individuals with lower IQ scores in Japan are more likely to be incarcerated, with an average score of around 80. In contrast, it is said that successful business people in Japan have IQ scores ranging from 115-120. Based on this, there are four types of people: those who are positive towards society and have a high IQ, those who are negative towards society and have a high IQ, those who are positive towards society and have a low IQ, and those who are negative towards society and have a low IQ. If someone with a high IQ score is not happy, there may be a few reasons for this. For type (1) individuals, their IQ score may be too high, and if it is above 120, happiness may be saturated. For type (2) individuals, their negative attitude towards society may be causing unhappiness. It is important to reflect on our own attitudes towards society. If we have a negative attitude towards society, it may hinder our success, regard