Onchain Photo Challenges
Host transparent and decentralized photo contests with onchain submission and voting.
Hedera smart contract (HSCS)· onchain logic
Section · Onchain
full primer →The primitive.
Contest management 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 ensure fairness and transparency of submissions and awards.
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
Required keys.
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 mega-prompt…
Market sizing.
TAM
$800M
photo contest platforms
SAM
$200M
online contest management
SOM
$20M
photographers entering contests
Indicative figures for hackathon pitches — refine with your own research before raising.
Adjacent entries.
copyright registry
Immutable Photo Rights
Securely register photo ownership and licensing rights on-chain with immutable proof.
image authenticityOnchain Photo Proof
Embed verifiable metadata on Hedera testnet to prove photo authenticity and timestamp creation.
royalty automationSmart Photo Royalties
Automate and transparently distribute photo royalties directly via Hedera testnet smart contracts.
collaborative editingCollaborative Edits Chain
Track photo edit histories and collaborators immutably on Hedera testnet for transparent teamwork.