NEO is the favorite cryptocurrency (sometimes refer to as an asian version of ETH). They have utilized smart contracts that can be used by dapps. They are usin PoS protocol which is more appealing than PoW. There are a lot of practiacal use cases of NEO. You can easily buy NEO at many exchanegs and withdraw it for free. You can generate profit by holding NEO and recive free GAS which is also tradable and is used for transactions. GAS is divisible. They have a solid user base and also a developer base. The blockchain is on of the faster (up to 10,000 TPS). One disadvantage is that the NEO is indivisible.