Back in 2017, my friend Sarah invested a modest amount in Bitcoin after hearing about its potential from a tech-savvy colleague. She didn't think much of it at the time, treating it more like a fun experiment rather than a serious investment. Fast forward to late 2020, and Sarah's initial investment had ballooned to an amount she never imagined. She decided to cash out a portion and used the money to fund her dream trip to Japan. While enjoying sushi in Tokyo, she couldn't help but marvel at how a digital currency had turned a casual tip into the adventure of a lifetime. It was then she truly understood the unpredictable power of cryptocurrencies.