Hello, I am Nathalie. Feel free to checkout my twitter naglaw. I am a blockchain lawyer working mainly with Hyperledger, Ethereum and ICOs. A few weeks ago, I spoke with someone about Dash at a conference (TokenFest in San Francisco). I was blown away by the level of engagement that Dash users...
I don't think Coinbase would open a business account for this type of thing. Most merchant accounts they approve are e-commerce services selling physical goods so I would be careful relying on Coinbase to provide business account.