One of the biggest advantages of using level 2 solutions is increased scalability. By using off-chain transactions and other techniques, it is possible to reduce the load on the blockchain network and increase the number of transactions that can be processed at any given time.

Another advantage is increased efficiency. By using level 2 solutions, it is possible to conduct transactions in a faster and more cost-effective manner than traditional on-chain transactions.

Finally, there is also an advantage of increased cost-effectiveness. By reducing the load on the blockchain network, it is possible to reduce transaction fees and other costs associated with blockchain transactions.

Overall, the advantages of using level 2 solutions are numerous and have the potential to revolutionize the way we think about transactions and ownership in a variety of industries.

Works Cited:

Poon, Joseph, and Dryja, Thaddeus. "The Bitcoin Lightning Network: Scalable Off-Chain Instant Payments." Bitcoin Whitepaper, 2016.
Buterin, Vitalik. "Plasma: Scalable Autonomous Smart Contracts." Ethereum Whitepaper, 2017.