''Layer-2 and sidechain solutions have emerged to solve the scalability issues on Ethereum until ETH 2.0 arrives. Let’s find out what they are and how they differ.''

''Demand for Ethereum shot through the roof, but the network was clearly unable to handle the influx of new users. The countless transactions and other interactions on Ethereum-based DeFi apps, NFT platforms, and games are clocking up the chain. Network congestion and astronomically high fees have become a serious issue for users and developers. ''