At HKUST, Hong Kong, Huawei Huang, Dusit Niyato, Yi Sun, and Hironori Washizaki organized the BlockNetSys 2025: ACM CoNEXT Workshop on Blockchain-Network Synergy. Thanks to all participants and contributors, notably Yijun Lu and other supporters, we had a great start to the community, bridging different but related areas such as Blockchain, networks, AI, and autonomous systems. Prof. Washizaki presented his keynote there.