any pre emptive for 51% attack?
It is highly impossible. BiT Team is on Ethereum blockchain, remember it is still on PoW

How is the efficacy of beta platform? Can you share technical broad overview of the existing beta MVP analysis? Will Py play a role on it?
The beta platform architecture is web based as we know which is very regular and easy to access, front end GUI of Angular and Zone.js framework, Lodash and Hammer.js for libraries backend on top of Ethereum blockchain.
We prefer to used GO for our dApps.
Besides were on Ethereum blockchain which interoperability is more efficient with Solidity.
that's really nice i should say...