Polkadot, Kusama, COTI, and Cardano Proves to be a Good Long Term Investment!

The year 2021 is referred to as the legendary season for some altcoins. After their massive performance in the 1st quarter of 2021, the investors are looking to HODL coins other than Bitcoin. To be particular, altcoins such as Polkadot (DOT), Cardano (ADA), Kusama (KSM) and COTI achieved significant milestones this year. Well, these 4 …