Prices of cryptocurrencies exploded fast. Miners are everywhere, it's hard to buy GPUs in rational prices. Some artists are making millions of dollars, some got depression and FOMO. Thinking about crypto is extremely mind-blowing. The world is changing! Is the world changing for better? Is it good for environment and mental health? Will Ethereum prices fly high to the moon? Will it be worth anything? So many questions. What if everything collapses and whole effort will be flushed in the toilet?