For now I would advise you to pay attention to Mira https://bitcointalk.org/index.php?topic=2367768.0. Pre-ICO stage is coming tomorrow (November 27-29), they will sell Mira tokens with a discount up to 40%. I think project has a future because they offer a solution for storing in miraboxes and sending different types of cryptocurrencies off-chain. Principles of simplicity, security and anonymity. Nice idea