Nothing is guaranteed on any exchange but chances are very low that exchanges such as Binance, Kraken or Coinbase would become scam. I love staking as it is "easy money" but I also always take my profits as anything can happen in crypto.
Now more and more people are investing money in cryptocurrency, which means that it will be more and more difficult to stop it or ban it. Now there are a lot of DeFi in the gaming industry, which will attract even more attention to cryptocurrencies. Here is an article about gaming and DeFi
https://cinemadraft.medium.com/introducing-cd3d-the-official-defi-game-token-of-cinemadraft-cb5d3f191338