Onther is an Ethereum blockchain focused research and development tech-company. Onther means "On Ethereum" and we provide a decentralized, scalable, and UX/DX improved Plasma sidechain. It could be a next-generation BaaS(Blockchain as a Service) which is a Plasma-based sidechain platform for the mass adoption of decentralized applications and cryptocurrency. Also, We provide TaaS(Token as a Service) called TokenOS which is a software program that implements ICO smart contract on Ethereum main network for each dApp provider in automatic and on-demand customization. Our vision is to create a revolutionary blockchain technology which could be a fundamental pipeline between Crypto-world and the real world.