ZK Rollups are a scaling solution that provides the security of L1 blockchains with much higher speed and scalability. This is done by shifting heavy computations off the chain.
Polygon, it has seen renewed interest from Bank of Italy's Asset Tokenization and Reddit 's new Gen-4 Collectible Avatars.
Mundum is the first social coin on Polygon.
Polygon is a Ethereum scaling solution and a Layer-2 blockchain. It has a cryptocurrency MATIC which is the 12th largest by market cap.