# Qrcoin

> Participate in QR Coin auctions on Base - bid to display URLs on QR codes Use when this capability is needed.

- Skill: `tomevault-io/qrcoin` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/qrcoin`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/qrcoin/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/qrcoin

---


# QR Coin Auction

Participate in [QR Coin](https://qrcoin.fun) auctions on Base blockchain. Bid to display URLs on QR codes.

## Contracts (Base)

| Contract | Address |
|----------|---------|
| QR Auction | `0x7309779122069EFa06ef71a45AE0DB55A259A176` |
| USDC | `0x833589fCD6eDb6E08f4c7c32D4f71b54bdA02913` |

## How It Works

1. Each auction runs ~24 hours
2. Bidders submit URLs with USDC
3. Creating a new bid: ~11.11 USDC
4. Contributing to existing bid: ~1.00 USDC
5. Highest bid wins; winner's URL encoded in QR code

## Commands

### Status
```
/qr status                       Current auction info
/qr bids                         List active bids
/qr reserves                     Check reserve prices
```

### Bidding
```
/qr bid <url> <name>             Create new bid (~11 USDC)
/qr contribute <url> <name>      Contribute to existing bid (~1 USDC)
/qr approve <amount>             Approve USDC for bidding
```

## Examples

```
/qr status
/qr bid https://mysite.com "MyProject"
/qr contribute https://mysite.com "MyProject"
```

## Setup

```bash
export PRIVATE_KEY="0x..."  # Your wallet key
```

Requires USDC on Base for bidding.

---
> Converted and distributed by [TomeVault](https://tomevault.io/claim/alsk1992) — claim your Tome and manage your conversions.
<!-- tomevault:4.0:skill_md:2026-04-11 -->