It's only a temporary situation. There's a lot of research going on into replacing "Proof of Work" blockchains with "Proof of Stake" which doesn't require any m

It's only a temporary situation. There's a lot of research going on into replacing "Proof of Work" blockchains with "Proof of Stake" which doesn't require any mining. Ethereum is likely to get Proof of Stake fairly soon. Bitcoin and other cryptocurrencies will likely follow if it works out.