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October 23rd, 2019, Beijing China.

NKN founder & CEO Yanbo Li, co-founder and CTO Yilun Zhang, gave two technical talks on “High-performane Scalable Blockchain and Its Applications in Network” at prestigious Tsinghua University, in collaboration with two university blockchain clubs (BATS and TIBA). We had a good participation from students and university staff, as well as blockchain technologies from industry. There was lively discussions and lucky draws for the best questions.

The main theme of the technical seminar is “High-Performance Scalable Blockchain and its Application in Networks”.

Network transmission layer is one of the cornerstones of building a modern application. In traditional client-server model, client to client communication relies on centralized servers to relay traffic on their behalf. This architecture not only add cost and complexity to the development as well as operations, but also is ill-fit for dApps. In addition, blockchain’s token economics provide the missing incentive model for decentralized data transmission network. Yanbo Li, NKN founder and CEO, shared NKN’s approach to design and implement a blockchain powered decentralized data transmission network, as well as how to build applications that can use off-chain, real-time and massively scalable data communication directly between clients.

Scalability is one of the main challenges of permission-less public chain. In addition to scalability in terms of transaction throughput, scalability in terms of number of consensus nodes is critical for the security, decentralization, and performance of public blockchain. Traditional BFT consensus algorithms as well as Gossip transaction broadcast algorithms can quickly become the performance bottleneck, as soon as the number of consensus nodes increase to certain level. Thus consensus cannot be reached within time limit, and the transaction throughput suffers. Dr. Yilun Zhang, NKN co-founder and CTO, gave an overview of NKN’s MOCA consensus algorithm that is based on Cellular Automata, as well as the significantly improved transaction broadcast algorithm based on Chord DHT. With these technical innovations, NKN blockchain can realize highly efficient consensus for arbitrary number of nodes, transaction broadcast with minimal overhead, and maintain high transaction throughput while horizontally scale the number of consensus nodes.

The purpose of NKN’s university outreach are twofold: on one hand we would like more people to know and understand NKN core technology, on the other hand we would like to attract talents for our future research and development. We plan to do more of this kind of events in the future.




About NKN

NKN is the new kind of P2P network connectivity protocol & ecosystem powered by a novel public blockchain. We use economic incentives to motivate Internet users to share network connection and utilize unused bandwidth. NKN’s open, efficient, and robust networking infrastructure enables application developers to build the decentralized Internet so everyone can enjoy secure, low cost, and universally accessible connectivity.


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