An independent blockchain acting in concert with Bitcoin or Ethereum , which retroactively became known as a “Layer 1 chain” or “main chain.” Layer 2 chains process new transactions faster while reducing the load on Layer 1 and typically taking much lower fees.
Read moreWhat is Layer 2 coin?
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.
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