The　performance　bottleneck　problem　of　blockchain　has　become　a　core　obstacle　for　its　role　in　more　important　areas,　especially　low　throughput　and　long　transaction　waiting　time.　Many　researches　have　been　conducted　to　improve　the　efficiency　of　blockchain　by　simplifying　the　consensus　process　or　redesigning　the　chain　structure　at　a　higher　level,　but　these　approaches　are　subject　to　various　limitations　such　as　the　type　of　blockchain　and　even　pose　some　security　problems.　Meanwhile,　the　blockchain　network　layer　based　on　the　traditional　TCP/IP　system　suffers　from　problems　such　as　solidified　transmission　mechanisms　and　massive　redundancy　of　traffic.　Named-Data　Networking　(NDN),　as　a　new　network　architecture,　can　well　improve　the　efficiency　of　data　transmission　and　information　interaction　by　reshaping　the　network　layer　of　blockchain.　This　paper　proposes　a　blockchain　data　transmission　structure　using　NDN,　which　will　establish　the　separated　data　distribution　channels　among　blockchain　nodes　for　block　data　and　transaction　data　while　achieving　active　data　pushing.　We　design　a　new　table　structure　for　NDN　routers　to　implement　path-specific　routing　and　forwarding　and　exploit　the　multipath　forwarding　feature　of　NDN　for　fast　transmission.　Simulation　results　show　that　this　method　has　better　performance　than　both　existing　TCP/IP　approaches　and　typical　NDN　usage.　©　2021　Institute　of　Physics　Publishing.　All　rights　reserved.