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At the beginning of 2020, Ether (ETH) could be bought for $130, and now, ETH has reached $500. The king of cryptocurrencies, Bitcoin (BTC), added almost a cool $10,000 to its price.So, how can users engage with the industry? What has been obvious for some time now is that solo mining is not the way to go. For Bitcoin, Ether and every major altcoin, the blockchain is built in such a way that the complexity of finding blocks is constantly increasing, which means that a pair of GPU cards is not powerful enough to generate one block.