Shopping.List vs Proofivy

Do you make shopping lists and then forget to take them with you? Do you fumble trying to figure out which products have associated coupons? Do you wish you could easily send your shopping list to another family member? If so, this app is for you. - When you create your shopping list, each item can be saved in your favorites so next time the item can be easily selected. - You can associate shopping items with a particular store/location and then list only those items when desired. - You can sort your shopping list either alphabetically or according to the item's category. - You can reorder your categories so they list in the same order you normally shop. - You can associate a photo with each item. - You can indicate whether a coupon is associated with an item. - You can attach a memo to an item. - While shopping you can calculate the cost of items including total cost of all items. - As you put items in your cart, you can check off each item and, upon checkout, delete all checked items from your list. - You can email or text the list to anyone else who might be heading to the store.

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.