ChromaPass · Metered
Instead of monthly subscriptions, you pay per export. A high-fidelity marketplace where every 'Apply' is a micro-settlement. 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
full primer →The primitive.
The valuable color grading 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
Required keys.
METAMASK_PRIVATE_KEY
Deploys the QUIP verifier to your host chain. Fund on Sepolia via the Google Cloud faucet.
open ↗Add these in your Lovable project under Settings → Secrets before pasting the prompt below.
Appendix · Mega-prompt
The build prompt.
budget · 1 message
Paste into a fresh Lovable project. Make sure all five secrets above are set first. read the build strategy →
Loading the build prompt…
Market sizing.
TAM
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SAM
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SOM
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Indicative figures for hackathon pitches — refine with your own research before raising.
Adjacent entries.
color grading
ColorChain Palette
Save and share color grading presets and images as permanent IPFS assets for consistent workflow. Ownership is sealed inside a post-quantum QUIP vault.
color gradingChainColor Study
Save and share color grading presets onchain without spending gas or complex wallet setup. Every action is signed with a fresh WOTS+ one-time key.
color gradingColorGrade Chain
Track and prove original photo color grades and presets on-chain. Every action is signed with a fresh WOTS+ one-time key.
royalty automationSHUTTER · 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.