Building a Lowest Unique Bid Auction platform on Arbitrum, where users compete strategically and the winner is the participant who places the lowest unique bid.
Building a Lowest Unique Bid Auction platform on Arbitrum that transforms traditional commerce into a strategic, game theoretic experience.
Unlike conventional auctions where the highest bidder wins, our model rewards the participant who submits the lowest bid that no one else has chosen. For example, if the bids are $1, $1, $2, $3, and $3, the winning bid is $2. This shifts the dynamic from outspending others to predicting human behavior.
To bootstrap the ecosystem and ensure a high-quality user experience, our initial go-to-market strategy focuses exclusively on platform curated auctions. We supply highly desirable prizes, and users pay a small entry fee to submit their strategic bids.
Key Technical & Economic Pillars:
Privacy via Commit Reveal: Because public blockchains expose transaction data, we utilize a Commit-Reveal scheme in our smart contracts. This keeps bids cryptographically hidden during the auction phase, preventing frontrunning and MEV extraction.
Sybil Resistance: The small entry fee creates a financial friction that stops malicious actors from spamming thousands of wallets to cover every possible bid combination.
Platform Sustainability: The aggregated entry fees fund the actual cost of the prize and generate platform revenue, ensuring profitability even if a high value item is won for mere cents.
Arbitrum Infrastructure: We leverage Arbitrum to support the high frequency, micro-transaction nature of our platform with low fees and fast finality.
We focused on delivering a secure, production ready MVP. We structured our development sprints to complete the core loop of the auction mechanism:
Smart Contract Development: Built and deployed the core auction contracts on Arbitrum, implementing the Commit-Reveal mechanism to ensure bid privacy and prevent front-running.
Admin Dashboard: Developed a platform-side management tool to create new auctions, set time parameters, and manage prize metadata.
User Interface (UI/UX): Shipped a clean, minimalist web interface where users can browse active auctions, seamlessly connect their wallets, and submit encrypted bids.
Automated Settlement: Implemented the logic for the reveal phase and automated the on-chain selection of the lowest unique bid once the auction concludes.
https://low-bid-v4cxbq.vercel.app
https://low-bid-v4cxbq.vercel.app/play
The project is currently entirely bootstrapped. We built the MVP utilizing our own resources during this hackathon. Moving forward, we are actively looking for ecosystem grants and preseed funding opportunities to cover initial prize pools, scale our user acquisition strategies, and transition our MVP into a fully sustainable, high traffic consumer application on Arbitrum.