If only Investors especially beginners would think twice on the diversify of their investment, after primarily invested on bitcoin any other coin should be treated a skeptic not worth investing much because the drain could downpour even at the sunset.
Not reliability of investing in the digital assets like bitcoin and if you are not contended with your holding, hodling gives you the opportunity to the peak you desires.
There is no better asset to diversify to, bitcoin should be the first choice and the second choice except you have some real-life assets that have potential value to appreciate as time goes on then you can alternate it with your investment is bitcoin. The market is full of worthless coins, it will be a total error to think that you can get smarter by diversifying into any shitcoins because you will lose in the end and regret why you made such a costly mistake. However, i think it will be more reasonable for you not to refer to bitcoin as digital assets because it just sound like someone who is classifying bitcoin with other cryptocurrency which is not an appropriate.