Creative Blockchain
🎮 Game Design & Interactive Media · visual effect assets

Sentience Spark · Paid Certificate

A programmable VFX engine for on-chain characters. Instead of buying a static pack, developers and creators call specific mood-based shaders (Rage, Melancholy, Ethereal) via API. Secure your cinematic aesthetic by paying only for the frames you bake or the sessions you stream. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.

x402 track · paid unlockPaid provenance certificate· signed receipt
Section · Onchain

The primitive.

full primer →

One 0.01 USDC payment turns the visual effect assets record into a signed certificate game designers can email, attach or archive — and the page proves who signed it without asking anyone to trust the server.

Why this primitiveLoading details…

Kernel
a 0.01 USDC payment over x402 that returns a relayer-signed provenance certificate over the WOTS+ head — a portable document anyone can verify without trusting the issuer
Drives the UI as
a certificate card with the signed fields, the issuing signer, and a 'recover signer' check that runs in the browser
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.

visual effect assets
Emotion Filter Pack
Pin and share unique emotion-driven visual filters permanently for character and scene enhancement. The creator's existing wallet is wrapped with a post-quantum commitment.
item distribution
LootCrack · Paid Certificate
Instead of subscription-based RNG, every item acquisition is a discrete micropayment transaction. Use QUIP to meter high-value item reveals, ensuring that rare 'Legendary' pulls generate immediate protocol revenue while providing players with a cryptographic receipt of authenticity on Base. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.
storytelling
Ghostwriter · Paid Certificate
Every Narrative Branch requires a micropayment to fork the storyline, preventing spam and placing real economic weight on character decisions. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.
economy management
LootLogic · Paid Certificate
A real-time economy balancing engine for game designers. Every state-change in the economy requires an QUIP-authenticated signature, turning game management into a metered, audit-ready service where developers pay for computational 'god-mode' actions. Paying 0.01 USDC over x402 returns a signed provenance certificate for the work.