1. The digital collection will be issued by the issuer in limited quantities, and the quantity will be recorded in the blockchain and cannot be changed.

2. Digital collections don't have to worry about the storage and circulation of physical art collections.

3. Every digital collection has records on the blockchain from creation to distribution, which can trace and verify authenticity, prevent fraud and imitation, protect publishers' copyright and reduce collection risks.

4. Digital collection can not only be viewed, but also enjoy the wonderful experience of collection and share the feelings and happiness of collection.

5. Digital collections can be permanently preserved in the blockchain, which has high and convenient collection value.