City of Zion is rated 3 out of 5 in the category financial services. Read and write reviews about City of Zion. City of Zion (CoZ) is a global community of open source enthusiasts, with the shared goal of helping NEO achieve its full potential. CoZ primarily operates through the community Slack and CoZ Github, central places where the community shares knowledge and contributes to projects. CoZ is neither a corporation, nor a consulting firm or a devshop / for-hire group.