That network now sustains its financial system, a decentralized microcosm of the massive traditional one. It takes tokenized versions of the underlying currencies that users most value (whether bitcoin or fiat) and provides disintermediated mechanisms for lending or borrowing them or for creating decentralized derivative or insurance contracts. What’s emerging, albeit in a form too volatile for traditional institutions, is a multifaceted, market for managing and trading in risk.
If you have wondered why sites that give away free cryptocurrencies exist at all, here is the answer; Sites and apps that offer you a way to get free Ethereum make their money from advertising, and sometimes by using your CPU to help with their mining activities. They are also introducing you to cryptocurrency, in the hope that you will buy related services from them later.
You earn free Ethereum by spinning a wheel of fortune wheel. The number of spins that you can have is determined by the “energy” that you have in reserve. Energy regenerates itself slowly, or you can watch videos to top up your energy faster. You need to accumulate 10,000 Gwei before you can withdraw your winnings. But, that doesn’t take as long to do as you have thought.