Proofivy vs Doodle Blackboard

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.

Doodle Blackboard turns your iPhone or iPad into a fast, private neon blackboard. Sketch, make glowing patterns, brainstorm, teach, plan, or find a fidget-spinner-like rhythm when no physical spinner is at hand. Your boards stay on your device. Included: • Unlimited boards • Six glowing ink colors • Fine, medium, and bold brushes • Eraser, undo, redo, and clear • Portrait and landscape drawing • Export and share as an image Pro Upgrade: • Any custom ink color • Dot grid, graph, and ruled surfaces • Drawing replay • Zoom and pan • Speed-varying line width • Shape and line straightening • Typed labels Terms of Use: https://www.myworkingmemory.ai/doodle-blackboard-terms.html Privacy Policy: https://www.myworkingmemory.ai/doodle-blackboard-privacy.html