Q: blockchain, only controlled entitiy can write to it?
A: you can see what’s happening in the network, and admitted node will run the smart contrract
Q: most of the work is done by Oracle, not by Blockchain. You could also just publish everything in Blockchain. What’s the added value of blockchain?
A: managing accounting and transferring is some effort, idea is to automate that manual process of managing money.
Q: does the blockchain contain info of who is sending info where? Privacy?
A: blockchain aggregates info about traffic (volume). Statistics per node. Want to increase privacy to make sure connection info is anonymous (future work).
Q: decentralising accountability, not in terms of security as access control. Q: Two different concepts: Proof of work/waste, identity (to enter).