The more new coins that are present in the crypto market, will certainly enliven the crypto world. My question is how do you look at the future of the altcoin, with fairly tight competition. Will it affect the price of old altcoins, such as Ethereum, XRP and others.
Of course, the new altcoins will affect the value of old altcoins in one way or another. But I don't think the new altcoins will affect the major altcoins in the market such as the ones you mentioned which are Ethereum, Ripple, Dash, Monero, and others. Top altcoins are best altcoins so it's unlikely for them to die.
Good altcoins represent this market and are always held by many investors. I think in the near future altcoin will still grow well so no need to worry too much if you choose to invest now. Maybe this is not the best time to make high profits but recently the uptrend is starting and certainly coins like Ethereum, Ripple, Dash will have a big improvement in price.
Of course the risk can occur if the market suddenly collapses but I believe it will only happen in a short time and will recover better in the next period.