Unverified50% confidenceFactExact time
ReBAC (Relationship-Based Access Control) originates from the design philosophy of Google Zanzibar, with a relationship graph between entities at its core, where permissions propagate along relationships
1
Sources
50%
Confidence
Long-term
Relevance
9/21/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedGoogle Zanzibar is a large-scale consistent global authorization system published by Google in 2019 that manages billions of user permission relationships for products including Google Drive, YouTube, and Google Photos64% similarUnverifiedOpen-source systems such as SpiceDB and OpenFGA are designed with Google Zanzibar as their prototype57% similarUnverifiedRE2在Google内部被部署于代码搜索、BigQuery、日志分析系统等核心基础设施中，每天处理数十亿次正则匹配56% similarUnverifiedGoogle acquired the reCAPTCHA project and used it to digitize books while simultaneously performing human verification.55% similar
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