The term nano itself has been officially rebranded from what was known as RaiBlocks. At the beginning of 2018, the company officials decided to name their cryptocurrency project (and the currency itself) Nano – this marked a new beginning for the coin.
Nano coin uses a combination of Proof-of-Stake and Proof-of-Work algorithms. The mixture is called a 'delegated Proof-of-Stake.
Nano stores incoming and outgoing transaction data into designated, individual blocks in your own, personal blockchain. This way, your wallet balance is always kept updated and secure, while also keeping the blockchain working smoothly. Nano Mainly focus on scaliblity
Nano coin, as a cryptocurrency platform, has very specific and straight-to-the-point goals. Ultimately, it aims to make peer-to-peer crypto trading fast and fluid. This isn’t really achievable with the old versions of blockchain, but Nano coin offers a solution.
The merging of blockchain and the DAG systems seems to be a great way to solve these problems – only time will tell if it actually works in practice.