Nano a project that can become innovative because it does not need mining to work the network, in a way it does not require miners to trade the currency, in which many differ as an ecological project, since energy consumption It requires the mining process deteriorating the environment.
Such is its network very similar to iota, in that case it uses dag technology that allows each recipient to own their own blockchain without having to rely on the entire network, thus allowing transactions to be confirmed by almost instantly at no cost. .