Creative Blockchain
📷 Photography · legal documentation

Onchain Model Releases

Digitally sign and store model release forms on Hedera testnet blockchain for immutable proof.

Hedera smart contract (HSCS)· onchain logic
Section · Onchain

The primitive.

full primer →

Legal documentation gets a tiny Solidity contract deployed to Hedera testnet through the JSON-RPC relay; photographers see a 'verified onchain' badge with the live address and a one-tap HashScan link.

Why this primitiveSmart contracts provide tamper-proof, verifiable legal agreements.

Kernel
a Solidity contract deployed to Hedera testnet through the JSON-RPC relay (chainId 296), verified on HashScan
Drives the UI as
a 'verified onchain' badge with the live contract address and a HashScan link
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
photo services market
SAM
$350M
release management tools
SOM
$35M
photographers managing releases

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

See also

Adjacent entries.

copyright registry
Immutable Photo Rights
Securely register photo ownership and licensing rights on-chain with immutable proof.
image authenticity
Onchain Photo Proof
Embed verifiable metadata on Hedera testnet to prove photo authenticity and timestamp creation.
royalty automation
Smart Photo Royalties
Automate and transparently distribute photo royalties directly via Hedera testnet smart contracts.
collaborative editing
Collaborative Edits Chain
Track photo edit histories and collaborators immutably on Hedera testnet for transparent teamwork.