So, if you are looking for the top altcoins to invest in your money, you should choose from Ethereum, Cardano, NEO, OmiseGo, and Vechain. In case you are not able to invest in Bitcoins, you should look for other cryptocurrencies. At present, the crypto market is performing better than the traditional one. Although Stellar and Qtum are gaining traction, they have to get more market capitalization in order to emerge as the profitable ones to the people. Watch out for a reputable crypto platform if you are not getting anywhere in crypto trading and investments. It will definitely help you out.
Sources>> https://www.cryptoknowmics.com/news/top-5-altcoins-to-invest-in-march-2021/
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https://youtu.be/iS2dn2FcEqkI think Polkadot can also be included in the list of the best altcoins to invest in 2021, because I believe the price of Polkadot can increase very high (at least $100), so that we can get more than 2x profit from investing in Polkadot, therefore I personally prefer to invest in Polkadot and hold for the long term.