Polygon ID vs Greeting Tracker

Polygon ID enables you to create and manage your own self-sovereign digital identity. Prove your access rights and reputation without revealing any of your personal information. Manage verifiable claims about your identity and generate private proofs for digital interactions. Polygon ID is an open-source and private by default identity system based on zero-knowledge cryptography (zkSNARK). With the Polygon ID app, you will have access to web3 and web2 services and the ability for private on-chain verifications. Convenient control: - Secure authentication with biometrics or a 6-digit PIN - Identity recovery with seed phrase mechanism Obtaining claims: - Scan an issuer’s QR code - Follow the steps to connect your identity with the issuer and retrieve your claims - Store and manage your claims from your wallet Presenting your private proofs: - Scan a verifier’s QR code - Accept the proof request presented in your wallet - Generate and share the private proof of your claims with the verifier.

Was that the birthday card you sent Mom last year, or the year before? Greeting Tracker answers that in seconds. Log every greeting card you send and see exactly who got what and when. Before you sign the next one, check what that person has already received, and never send the same card twice. Your Occasions, Your Way Birthday, anniversary, Christmas, and Chanukah cards are just the start. Create as many custom occasions as you like, from graduations to housewarmings to “just because,” and keep every card organized by them. Every Card, by Person Open anyone’s history and see every card you’ve sent them, year after year. Your Card Library, as a PDF Create a PDF of: • Every card in your library for a specific occasion • Every card you’ve sent for a specific occasion • Every card you’ve sent to a specific person Take it shopping so you never buy a repeat, share it with family, or keep it as a record of the memories you’ve shared. Whether you’re tucking a card into a gift or sending five hundred holiday cards a year, Greeting Tracker is your reminder of what you sent, so you don’t have to remember.