Last updated: February 21, 2026
FlipCoin (“FlipCoin”, “we”, “us”, or “our”) provides a decentralized prediction market interface and related services, including the FlipCoin website, application, Agent API, and any associated smart contracts deployed on the Base blockchain (collectively, the “Services”).
FlipCoin does not custody user funds. All trading occurs via smart contracts on the Base network. Our interface facilitates interaction with decentralized protocols that we do not control once deployed on-chain.
This Privacy Policy explains:
By using the Services, you agree to this Privacy Policy.
FlipCoin operates on a public blockchain (Base). Public blockchains are:
When you interact with FlipCoin smart contracts (e.g., trade, create markets, deposit to Vault), transaction data — including your wallet address — becomes permanently recorded on-chain.
We cannot alter, erase, or restrict access to blockchain data.
If you do not wish your wallet activity to be publicly visible, you should not interact with public blockchains.
FlipCoin intentionally minimizes data collection. We do not require traditional account registration.
When you use the Services, we may collect:
When you:
We may collect and index:
This data is publicly available on-chain and not created by us.
We index it solely to display portfolio balances, positions, charts, and market activity in the Interface.
We store limited off-chain data in our database (Supabase) to power the user experience:
All such data is linked only to a wallet address.
We do not request name, email, phone number, or physical address.
FlipCoin uses:
Session cookies:
If you create an API key for an AI agent:
We store:
We do not store raw API keys after creation (they are hashed).
We do not store private wallet signatures.
To ensure reliability and prevent abuse, we may collect limited technical metadata:
We do not use analytics trackers, advertising pixels, or behavioral advertising systems.
We do not use Google Analytics.
FlipCoin does not collect:
We do not sell user data.
We do not use third-party marketing trackers.
We process data for the following purposes:
We may process limited data if required to:
We may use aggregated, anonymized usage metrics to:
We do not profile users.
If you are located in the EU/EEA, our lawful bases include:
We process only the minimum data necessary.
We may share data:
We do not share data for marketing purposes.
We do not sell data.
On-chain data is inherently public and accessible to anyone.
Permanent and immutable.
Retained:
Retained for up to 90 days unless required for security investigations.
Depending on your jurisdiction, you may have the right to:
Limitations:
We cannot modify or delete blockchain data.
To request deletion of off-chain data (e.g., profile, comments), contact us.
FlipCoin is not intended for individuals under 18 years of age.
We do not knowingly collect data from minors.
If we learn that a minor has provided off-chain data, we will delete it.
We implement reasonable technical safeguards including:
However, no system is 100% secure.
Users are responsible for:
FlipCoin may integrate:
These providers operate under their own privacy policies.
We are not responsible for third-party blockchain analytics conducted independently.
By using FlipCoin, you acknowledge:
We do not perform deanonymization.
We may update this Privacy Policy.
Material changes will be reflected in the “Last updated” date.
Continued use of the Services constitutes acceptance of the updated Policy.
For privacy-related inquiries: