qrcoin
QR Coin Auction
Participate in QR Coin auctions on Base blockchain. QR Coin lets you bid to display URLs on QR codes — the highest bidder's URL gets encoded when the auction ends.
Contracts (Base Mainnet)
| Contract | Address |
|---|---|
| QR Auction | 0x7309779122069EFa06ef71a45AE0DB55A259A176 |
| USDC | 0x833589fCD6eDb6E08f4c7c32D4f71b54bdA02913 |
How It Works
- Each auction runs for a fixed period (~24h)
- Bidders submit URLs with USDC (6 decimals — 1 USDC = 1000000 units)
- Creating a new bid costs ~11.11 USDC (createBidReserve)
- Contributing to an existing bid costs ~1.00 USDC (contributeReserve)
- Highest bid wins; winner's URL is encoded in the QR code
- Losers get refunded; winners receive QR tokens
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