Polkadot
Kusama
Banano
Nano
Polkadot is a network of multiple blockchains which can easily communicate with each other.
Kusama is Polkadot's canary network.
Banano is a meme fork of the Nano cryptocurrency. It has a wholesome and large community, despite not being a hyped meme coin.
Nano is a fast and feeless cryptocurrency.
