As one of the hottest projects in 2021, Polkadot has also handed over satisfactory answers in the near future of the slot auction, and its market value is currently ranked fifth. It can be said that Polkadot ecology is one of the most noteworthy projects in 2021. In 2020, when the well-known exchange ZB.com was the first to list DOT globally, the price of DOT rose greatly, which has proved the potential of DOT. In 2021, DOT will have very good potential.