[greggyb]

We did a POC for shareholder voting for the Indian stock exchange.

Auth is handled by the stock exchange and votes / proxies are handled on the block chain portion.

I wasn't involved in the project, but it seems like the primary benefits are public auditability and the immutable nature of the transactions were the value drivers. As implemented, full trust is placed in the (non block chain) central exchange for initial vote assignment and all auth.