Polkadot releases Rococo, a relay test network, including three parachain test networks

Polkadot (DOT) released a new relay test network Rococo, which includes three parts: Tick Parachain 1 test network, Trick Parachain 2 test network, and Track Parachain 3 test network. At present, Polkadot’s test network also includes Westend, Arcadia, Berlin, Flaming Fir and Mandala.