NEP-5 - new alternate ecosystem for blockchain startups.

The smart contract concept that Ethereum has pioneered is here to stay, but now there are many other blockchain systems aiming to challenge its dominance. Those competitors include Cardano, Stellar, EOS, and NEO.
It's tokens can be stored in a NEO wallet, just like ERC-20 tokens are stored in Ethereum wallets.

NEP-5: NEO’s Answer to Ethereum ERC-20 Tokens