Build on SimpleChain·Build the Future

Black Hole Developer Challenge




If you have any questions or can’t access the registration form, please email [email protected]


With the rapid development of blockchain technology, more and more industries are adopting blockchain technology to solve their business problems. With goals to attract blockchain talents, support high-quality blockchain projects, and launch blockchain applications for various business scenarios, the SimpleChain Foundation initiated this developer challenge.

The 2020 SimpleChain Black Hole Developer Challenge is calling all developers around the world to build solutions based on SimpleChain for these key business scenarios:digital asset business, supply chain finance, charity, medicine, IoT, track and trace, copyright protection, decentralized asset exchange platform, or improvement of the underlying blockchain technology.

Exposure from top-tier blockchain media
Long-term technical support for high-quality projects
Mentorship and incubation for teams
Opportunity to become partners of the SimpleChain technical community
Cash prizes to continue taking your project to the next level
July 30
Registration starts
August 15
Registration deadline for one-on-one tracking

Teams that register before this date will receive one-on-one development tracking and mentorship.

Sept 1
Registration ends
Sept 1-24

All teams will receive technical support and mentorship from blockchain experts.

Sept 25-29
Judges review all submissions and come to a final result
Sept 30
Announcement of winners
Sept 30-Oct 8
Announcement of partners of the SimpleChain technical community
First Prize


media exposure + project incubation

Second Prize


media exposure + project incubation

Third Prize


media exposure + project incubation

Fourth Prize


media exposure + project incubation

Judging Criteria
Innovation (15%)

No similar products or models in the market, or distinguishing features to differentiate from existing products or models.

User-friendliness (10%)

Easy-to-use product with a nice UI and complete documentation.

Completion (30%)

Complete processes and logic to realize certain functions in the product.

Technical difficulty (5%)

Technology and its depth behind the product functions.

Blockchain compatibility (20%)

Compatibility with SimpleChain technology and ecosystem.

Community governance (5%)

Community governance and open source.

Value (15%)

Application value and market value.

Leo Yu

Core Council member of SimpleChain Foundation

Moro Zhang

Founding member of Technical Steering Committee of SimpleChain Foundation

Krzysztof Piech

Council Member of SimpleChain Foundation, Member of International Decentralized Association of Cryptocurrency and Blockchain

Mehdi Ghane

Council member of SimpleChain Foundation, Fintech and DEFI consultant

Edozie Izegbu

Member of Fintech Association of Nigeria, Blockchain Consultant for the Bahamas Government

Song Xue

Founder of DxPool

Yu Xiong

Member of Expert Board, All Party Parliamentary Group on Blockchain, UK Asscociate Dean International(China), Chair of Business Analytics, University of Surrey

Organizers & Partners
Initiated by:

SimpleChain Foundation

Organized by:


Co-organized by:

China Blockchain Application Research Center, Zhejiang Tsinghua Yangtze River Delta Research Institute Hangzhou Branch, Zhejiang Blockchain Technology Application Association, School of Information Science and Engineering, Hangzhou Normal University, Hangzhou Blockchain Technology and Application Association, DataQin Technology Research Institute, Polish Blockchain Technology Accelerator


Media Partners:


Submitted projects must be deployed and ready for use. Upon the approval of the SimpleChain tech community, you can upload source codes to GitHub. At the same time, you must include full instructions on deployment and usage in

If it is a project that needs to be packaged such as Android APK, Google Play package or exe. installation package on PC, make sure that you finish packaging and upload to application marketplace.

Your project description should state the functions of your project and corresponding use cases, as well as information of the developers and long-term development plan based on SimpleChain. You can also submit marketing materials for your project, including articles, videos, and tutorials (optional).

Prize Distribution
The prizes will be distributed through different stages. After results are announced, you need to complete documentation and upload source codes to GitHub. After that, you will need to run the project on your servers for 2 months before moving it to servers of the SimpleChain tech community.
% of prizes distributed
Complete documentation and upload source codes
Deploy project and start running
Complete two months of running project
Migration to SimpleChain servers