Binance is a good exchange with a lot of new alt coins. Recently, they list a lot of coins and seems to be the next bittrex.
No, there is no delegate sharing, people turn in 25% of the delegate profits to the Asch community, which is used for the community development according to the offical team
You just need to choose ETH when you binding, and the rest are the same with XAS, but you need to send a small amount of Eth to the generated address instead of sending XAS
Block Chain This database is characterized by centralization, openness, autonomy, non-tampering, block chain and de-centization. It is well suited to provide storage for de-centric applications