On November 28, 2012, 12 years ago, several young people were at a simple booth, with a banner hanging in front that read 'Bitcoin, a currency without borders.' The four young people were dressed simply and modestly, smiling happily, but couldn't shake off the 'loser' vibe. At that time, Bitcoin's first reward halving occurred. They believed in Bitcoin's future, but probably couldn't have guessed that a Bitcoin would be worth around $100,000 twelve years later. How many people had seen the words 'Bitcoin' back then, how many had visited their booth, and how many had spent the price of a meal to buy some of this rare thing? $BTC