Obviously Waves. Waves is decentralize blockchain and right now waves is fast transaction blcokchain after active waves NG protocol. If you see waves price story last one year how much price increase. waves future good for low transaction fee, Super Fast. you can see Waves Road map after some time waves launch Smart Contract. After That Waves Just BOOM.  I don't know Waves could be next Dash But I know Waves will be next Ethereum.