Side-chain 2.0 a new system that will unite different blockchains, allowing the use of NFTs off the blockchain and trades of tokens from one blockchain to another seamless. This also means that you will be able to access tokenized in-game assets from a browser, without the need of having a wallet installed. This is because Side-chain 2.0 will standardize NFTs, synchronizing them on different blockchains, which will allow item transfers from one blockchain to another. It also heavily improves scalability, allowing now 15,000 deals per second.
Side-chain 2.0 can bring a lot of players that are not familiar with crypto, what gives? Well, it’s simple. More players playing the game means that the game itself is more active, which means that the in-game market will also be more active. This essentially means that anyone, even if they don’t know jack about cryptocurrencies, can have a go and have plenty of fun. This system could even function as some sort of entry point for a deeper understanding crypto games mechanics, which would be beneficial for crypto games as a whole.
source:
https://medium.com/@glitch_goons/side-chain-2-0-for-dummies-what-is-it-what-does-it-mean-6176f01d61aa?sk=dd5dc99b9ca586ac6b3ed924f5ae01b0