Plasma has also completed research and development. In simple terms, it is a layer 2 solution for Ethereum, laying the foundation for zero-knowledge zk. Vitalik initially advocated for it. This coin isn't very impressive, but because transfer fees on Ethereum are negligible, it's better than others. For our users, this is enough. Its security performance is also good. I won't go into too many technical terms; as long as it's useful, that's what matters. $XPL