Creative Blockchain
📷 Photography · contest management

Snapshot · Metered

A high-stakes visual battleground where every interaction is a settlement. Smart contracts enforce the prize pool distribution based on aggregate QUIP signatures, ensuring global participation without high-gas friction. Entry fees go to the pool; voting fees go to the platform/curator. Every unlock is a single 0.01 USDC payment behind an HTTP 402 gate — you pay for what you actually use.

x402 track · paid unlockMetered 402 gate· pay-per-unlock
Section · Onchain

The primitive.

full primer →

The valuable contest management operation sits behind an HTTP 402 that states its price before anyone signs, so photographers pay per unlock instead of per month.

Why this primitiveLoading details…

Kernel
an HTTP 402 challenge in front of exactly one valuable operation — an export, a render, a full-resolution download — where each unlock is a single USDC payment bound to its settlement tx
Drives the UI as
a locked panel that states its price before you sign, plus an 'unlocks bought / used' counter beside the released payload
Appendix · Secrets

Required keys.

METAMASK_PRIVATE_KEY
Deploys the QUIP verifier to your host chain. Fund on Sepolia via the Google Cloud faucet.
open ↗
SEPOLIA_RPC_URL
Host-chain HTTPS RPC endpoint. Any Sepolia provider works.
open ↗
ETHERSCAN_API_KEY
Required for npx hardhat verify after deploy.
open ↗

Add these in your Lovable project under Settings → Secrets before pasting the prompt below.

Appendix · Mega-prompt

The build prompt.

Paste into a fresh Lovable project. Make sure all five secrets above are set first. read the build strategy →

Loading the build prompt…
Open in Lovable ↗Sepolia Etherscan ↗
Appendix · Market

Market sizing.

TAM
…
SAM
…
SOM
…

Indicative figures for hackathon pitches — refine with your own research before raising.

See also

Adjacent entries.

contest management
Onchain Photo Challenges
Host transparent and decentralized photo contests with onchain submission and voting. Ownership is sealed inside a post-quantum QUIP vault.
royalty automation
SHUTTER · Metered
A headless licensing layer for digital imagery. Every 'GET' request triggers an EIP-3009 transfer directly to the photographer, enabling sub-cent licensing for AI training, social feeds, and micro-publishing. Every unlock is a single 0.01 USDC payment behind an HTTP 402 gate — you pay for what you actually use.
capture verification
Verifact · Metered
The only way to verify a high-stakes image is real. No more fake news or AI-generated 'evidence'—if it's not verified on the ledger, it's just a file. Payment acts as the signal of authenticity. Every unlock is a single 0.01 USDC payment behind an HTTP 402 gate — you pay for what you actually use.
auction platform
SHUTTERBAZE · Metered
Every bid placed on an auction requires a micro-payment to the artist/curator. This turns high-intent auction browsing into immediate revenue. Bidders All auction settlements and bid-increments are finalized via Base tx hashes, ensuring the photographer is paid for the attention, not just the final sale. Every unlock is a single 0.01 USDC payment behind an HTTP 402 gate — you pay for what you actually use.