Creative Blockchain
📷 Photography · color grading

ChainColor Study

Save and share color grading presets onchain without spending gas or complex wallet setup.

Magic Link email wallet· wallet UX
Section · Onchain

The primitive.

full primer →

Photographers sign in with an email one-time code and get an embedded Hedera wallet — no seed phrase, no extension, no gas estimator — and their color grading actions settle in about three seconds for a fixed sub-cent fee.

Why this primitiveMagic Link email sign-in plus Hedera's fixed sub-cent fees makes onchain preset sharing effortless.

Kernel
a Magic Link embedded wallet created from an email OTP, signing over the Hedera JSON-RPC relay (chainId 296) at fixed sub-cent fees — no seed phrase, no extension, no gas estimator
Drives the UI as
a one-tap 'Sign in with email' that drops the user in with their 0.0.x account id and EVM address already on screen, plus HBAR/USDC balances and faucet links
Appendix · Secrets

Required keys.

HEDERA_OPERATOR_ID
Hedera testnet account id (0.0.xxxxxx). Create and fund it free.
open ↗
HEDERA_OPERATOR_KEY
ECDSA private key for that account, from the Hedera portal dashboard.
open ↗
REOWN_PROJECT_ID
Free project id powering the HashPack pairing modal.
open ↗
HEDERA_RPC_URL
Optional. JSON-RPC relay, defaults to the public Hashio endpoint.
open ↗
PINATA_JWT
Pins images / JSON / manifests to IPFS.
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 mega-prompt…
Hedera testnet HashScan ↗
Appendix · Market

Market sizing.

TAM
$2.4B
color grading and photo editing
SAM
$500M
color grading presets market
SOM
$15M
social sharing of presets onchain

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

See also

Adjacent entries.

color grading
ColorChain Palette
Save and share color grading presets and images as permanent IPFS assets for consistent workflow.
photo sharing
Gasless Gallery
Seamlessly share photos onchain with no gas fees for your audience and collaborators.
photojournalism
NFT Photo Stories
Create and share onchain photo stories with built-in provenance and no wallet setup hassle.
print ordering
Gas-Free Prints Order
Order professional photo prints onchain with gasless transactions for instant confirmation.