The problem PoPTag! solves

Counterfeiting is a global issue, leading to significant financial losses, legal risks, and damage to brand reputation. Additionally, after-sales programs are often fragmented, making it difficult for brands to effectively engage with customers. The secondary market for physical goods, especially collectibles, also suffers due to the lack of a reliable system for maintaining provenance and authenticity.
Introducing PopTag—a digital certificate system that secures physical goods' provenance and enhances their value in the secondary market. PopTag addresses counterfeiting, customer engagement, and product authenticity through a streamlined, Web3-based platform.
Key Features:

• ERC-721 Digital Certificates: PopTag uses the ERC-721 standard to create unique digital certificates for each product, ensuring authenticity and traceability.
• Anti-Counterfeiting Technology: The platform combines digital certificates with QR codes, unique codes, or NFC technology to secure products, protecting both brands and consumers from counterfeiting.
• Integrated Sales and Campaign Dashboard: PopTag provides an integrated dashboard for tracking sales and managing customer engagement campaigns. Brands can run verifiable loyalty programs, such as raffles, token-gated communities, and special events.
• Supply Chain and Provenance Tracking: PopTag tracks the movement of goods through the supply chain and secondary markets, preserving the value of collectibles by maintaining a verified history of ownership and authenticity.
  Future Vision: PopTag aims to transform the market for physical goods by creating a trusted ecosystem where authenticity is guaranteed, and customer engagement is enhanced. The platform unlocks new economic opportunities by ensuring that products retain their value over time, similar to how carbon credits have revolutionized environmental economics.

Challenges we ran into

One of the significant hurdles we encountered was figuring out how to onboard non-Web3 native users to claim their digital certificates. The complexity of setting up a crypto wallet and managing private keys can be daunting for users unfamiliar with blockchain technology.

To address this, we integrated WalletConnect's email wallet solution. This feature allows users to use their email addresses as a wallet, making the onboarding process much simpler and more accessible. Now, non-Web3 natives can effortlessly access and claim their digital certificates using just their email, removing the barrier of needing prior blockchain knowledge. This solution greatly improved the user experience and broadened our potential user base.