9 years ago, I entered the industry with 50,000 yuan from my family, and bought Bitcoin for over 2,000 yuan. Later, by the end of the year, it rose to over 3,000, and I sold a portion to pay for my university tuition, feeling happy and excited, I couldn't sleep all night.

Now, 9 years have passed, Bitcoin has surpassed 100,000 USD, but I no longer have the naive, hopeful, and excited joy I had back then.