Pi network is a cryptocurrency that you can earn with your phone, just install the "Pi network" app on your phone, enter the code "Berssange" and enter the app once a day to prove that you are not a bot and that's it, you’ll earn an amount of currency per hour, the app is lightweight and doesn’t waste resources, the currency is new and priceless, it’s a good time to enter, then just sell the currency when it enters the market. Good opportunity to get Pi for free and profit much later.