In the blink of an eye, I have been a regular investor for 18 months now, and upon checking, I have successfully invested 0.1 BTC, with an average price of $81182. Moreover, the total investment over the past 18 months has exceeded $30000, with a total profit of $4709.64 and a profit ratio of 15.67%. Although the investment return for a year and a half is not very high, it is at least stable. Moreover, if only BTC is invested, the return rate is 29.37%, which is very attractive. At that time, I was conducting a social experiment and had been investing for 96 months. Only 20% of the time has passed now, and I have been investing in BTC, ETH, BNB, and SOL, four mainstream currencies, each with 3000 CNY invested. At first, I invested in BTC and ETH, but later I felt that ETH had been losing money and added SOL to balance it out. BNB has been my long-term investment, and during a period of time, the trend of SOL was not good, so I used BNB to balance SOL and ETH, which has become the current situation. At present, ETH, which is profitable in all four currencies, is the least profitable, followed by SOL. BNB and BTC have returns exceeding 10%. At least from now on, if an ordinary white-collar worker invests 3000 CNY per month in Bitcoin, the returns will outperform almost all products he can access.