0% edge can work as a model but not without the rakes and commissions,,, zero everything in your title is simply not possible as a business model, unless you strictly run poker competitions, and earn from advertising, sponsorship and fees (but nobody likes to pay fees, they do not mind commissions or rake though).
Also, as user above posts, if it is on-chain, you pay miner fees. If the tokens like Edgeless are cheap, players do not feel the pinch, but nobody likes to pay extra costs every hand they play.
After checking the whitepaper, I believe it has very good potential, their business model is based on the token value growth as they attract more users to the platform. I do mind paying the commissions or rake and also casinos can use house edge. With Zeroedge token all would be based on smart contracts so the casino owners cannot maniplate it. his project all would be based on smart contracts so the casino owners cannot maniplate it.