“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.
2023/5/27. Copper is more than Gold or Silver in Japan? Recently, I searched about relationship between Nikkei225 and commodities. I found that copper’s price has higher relationship to Nikkei225 than Gold or Silver prices. From 2015-01-01 to 2023-05-26, relationships are Platinum:0.171 Gold:0.736 Silver:0.745 Copper:0.787. Above is result of my codes. https://github.com/Kouhei-Takagi/PythonAlmostEveryday/tree/main/CorrelationBTWGoldAndNikkei Honestly, I worried to open this result and codes. But I don’t have enough money to buy/sell stocks, so it is no need to worry...