Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11677572 | Permission-controlled smart contract upgrade method and system based on smart contract, blockchain node, and storage medium | Wei Li, Weiwei QIU, Keting Yin, Qilei Li, Zhiqiang Wu | 2023-06-13 |