Proofivy
Internet ledger of truth
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Secure your IP, copyright, and ideas with irrefutable, timestamped proof. Optionally earn by minting a NFT or publishing your text behind a x402 stablecoin (USDC) paywall.
Who it's for:
• Creators & Artists: Protect your original work with tamper-proof timestamps that establish your ownership before sharing with the world
• Writers & Content Creators: Publish your text content on x402 and earn USDC while maintaining blockchain-verified proof of authorship
• Innovators & Entrepreneurs: Secure your ideas with cryptographic proof that can serve as foundation for patents and commercialization
• Scientists & Researchers: Document discoveries and experiments with verifiable timestamps that can't be altered or disputed
• Photographers: Establish authentic ownership of your images with digital seals
Key Features:
• Irrefutable Proof: Generate cryptographic Content Identifiers (CIDs) that uniquely represent your digital assets
• 100% Privacy: Only fingerprints of your content are shared, your actual files remain private and secure
• No Crypto Wallet Required: Commit your content identifiers directly to the blockchain without technical crypto knowledge
• Blockchain Verification: Utilize the security of blockchains for permanent, tamper-proof records
• Optional x402 Publishing: Publish your text content and earn USDC payments on Base mainnet through the x402 protocol
• Optional NFT Minting: For web3 users, convert your commits into tradable NFTs on Optimism mainnet
Proofivy is trusted by scientists, writers, artists, and developers worldwide.
Proofivy is a member of the Content Authenticity Initiative (CAI), smart contracts are deployed on Optimism mainnet.
Ratings & Reviews
- Optimized for iPhone Duo with side-by-side layouts in landscape
- Small UI updates
The developer, Cigeza B.V., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Cigeza B.V.
- Size
- 16.5 MB
- Category
- Productivity
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- CID Commit $1.99
- Message Commit $3.99
- Copyright
- © 2023 Cigeza B.V.
