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.
For comparison, Decenter reports that similar phrasing in ad campaigns that replace “ethereum” with “eos” such as “eos smart contract audits” are still available for use through Google Ads and being featured in campaigns. While it’s unclear how broadly the ban has been applied to cryptocurrency, or whether it extends to any coins outside of Ethereum, Reddit users and Ethereum enthusiasts have begun an uproar over the selective censorship. The top comment by user u/ThePlague lambasts Google for promoting an agenda, stating that the company has been far from neutral in handling various forms of advertising on its platform, including cryptocurrency,
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.