The only nahmii scaling and compatibility solution currently implemented for the second-tier Ether network is to appear in NEO in 2020 after signing the agreement last week. By providing NEO with increased bandwidth, lower fees and faster transactions, nahmii will also become the bridge between NEO and ETH. With plans to transfer nahmii to NEO and Bitcoin, this will ensure interoperability between the three largest blockchains. This is just the beginning. You can learn more about this here -
https://www.asiacryptotoday.com/nahmii-and-neo-announce-scaling-and-interoperability-partnership