Rootstock was also created as a solution to the blockchain of Bitcoin; its value is its smart contracts focus. It is planned to be a totally programmable platform, compatible with virtual machine of Etherum.
Rootstock’s aim is to implement this multi-purpose functionality along with engaging Bitcoin’s user database; it should act as a two-way pegged sidechain.
It is protected by mining network of Bitcoin, so the miners don’t have to secure its own blockchain.
Lumino is Rootstock’s own version of a multi-layered solution which is going to solve the scalability problem of Bitcoin. It is aimed to make it possible to conduct around 20.000 transactions per second.
The launch of Rootstock is expected very soon.
Bitcoin is not perfect at all, but the community works hard on creating solutions to help solving the problems users might face.