In order to be safe and gain good profit, you should choose ETH to hold for long term.In the crypto market full of manipulation, safe speculation is a top priority. Therefore, we should not choose small alts because for them, when the downtrend happens, the possibility of it dying is very easy. So hold for long term most need is the prestige and continuous operation of a business. I choose Ethereum, it is a leading technology enterprise in the field of blockchain.