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High Tech Series B Founded 2018

Bitkey

Bitkey develops blockchain-based smart locks that integrate with smartphones and Apple Watches. The system uses NFC cards and face recognition for access control, enabling remote locking, unlocking, and management. Founded in 2018 and headquartered in Chuo City, Japan, Bitkey has raised approximately $44.8M in Series B funding from investors including Goldman Sachs Investment Partners, Global Brain, CARTA VENTURES,…

📍 Chuo City, Japan · Smart Homes,

Funding snapshot

Last roundSeries B
Amount$25M
Date1 July 2026
Total raised$45M
Team size102

About

Bitkey develops blockchain-based smart locks that integrate with smartphones and Apple Watches. The system uses NFC cards and face recognition for access control, enabling remote locking, unlocking, and management. Founded in 2018 and headquartered in Chuo City, Japan, Bitkey has raised approximately $44.8M in Series B funding from investors including Goldman Sachs Investment Partners, Global Brain, CARTA VENTURES, 31VENTURES, and Hankyu Hanshin Properties. The company's smart lock technology combines blockchain, distributed systems, and encryption to provide secure access management for homes, offices, and hotels. The platform offers audit trails, remote management capabilities, and integration with existing property management systems for commercial deployments.

Business model

Security & Surveillance Technology > PIAM > Secured Entry Control > Smart Lock and Key > Smart Lock,

Smart Homes > Home Security > Access Control > Smart Lock and Key > Locks,

Plug and Play Tech Center Batches > Japan > Batch 2

Institutional investors

31VENTURES Global Brain CARTA VENTURES Mirai Creation Fund Hankyu Hanshin Properties Goldman Sachs Investment Partners Mercuria Investment shinsei-investment.com JIC Venture Growth Investments Bushwhacker Capital Mercuria BizTech SEINO CVC HILL HOUSE

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