It is still valid to invest for long term because different people have different goals. Someone may believe that Bitcoin will get to 250k and invest their money to try their luck. That’s long term because we are distant from 250k. Meanwhile you may have your target at 100k. Irrespective of what you’re investing in, unless the market is dying, you can invest for the long term based on your speculation.
The cryptocurrency was the good asset to inverse for the long term,their are lot of coins available in the cryptocurrency.The bitcoin was the still trusted coin in the top list,Ethereum is the first coin in the list of Altcoin.Many coins now created based on the Polygon,Binance smart chain,Solana.But the demand of the Ethereum was long lasting because of the long term Ethereum holders in the crypto community as like the bitcoin.It was essential to inverse in the potential coin compared to the new altcoin to the market for the short term profit.