Decentralized Citizen Science
for Cannabinoids

Join the open-source movement mapping the science of cannabinoids. Contribute anonymized self-reports, analyze community datasets, and participate in global experiments — driven by data, not hype.

Anonymous
Open Source
No Medical Advice
Privacy First
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Total Reports
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Members
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Experiments
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Countries
Why OpenCBD

Built for Open Science

Every feature is designed to produce rigorous, anonymized, community-generated evidence.

Anonymous Self-Reports

Log detailed cannabinoid experiences with our comprehensive, scientifically-structured form. All data is immediately anonymized.

Open Data Exploration

Filter and analyze thousands of anonymized reports. Discover patterns, dose correlations, and terpene effects across the community.

Community Experiments

Join structured protocols with shared hypotheses, timelines, and aggregate results. Real citizen science at scale.

Privacy by Design

Zero PII stored. All reports are cryptographically anonymized before publication. You own your data.

Community Governance

Community members propose and vote on experiments, data standards, and platform direction. Science driven by the people.

Open Science Protocol

All aggregate data is publicly accessible. Researchers, institutions, and citizen scientists can access our API.

How It Works

Three Steps to Open Science

01

Create Your Anonymous Profile

Sign up with email, Google, or a crypto wallet. Your identity is never linked to your reports.

02

Log Your Experience

Fill in our detailed form: product type, cannabinoid profile, terpenes, dose, and subjective effect scales.

03

Explore Aggregate Insights

Browse the public dataset, filter by your goals, and see what the collective has discovered.

Ready to Contribute to Open Science?

Join thousands of anonymous contributors. Your experience data helps build the largest open cannabinoid dataset in the world.

Not medical advice. All reports are anonymized. For research purposes only. 21+ only.