Layer-2 blockchains are third-party protocols operating on layer-1 blockchains to help solve any of the blockchain trilemma- decentralisation, security, and scalability . They serve as add-ons for the parent blockchain. They can be sidechains, plasma chains, state channels, or rollups.
What are layer-2 coins?
Layer-2 blockchains are third-party protocols operating on layer-1 blockchains to help solve any of the blockchain trilemma- decentralisation, security, and scalability . They serve as add-ons for the parent blockchain. They can be sidechains, plasma chains, state channels, or rollups.