Chain-Verified EXIF
Verify and store immutable EXIF data onchain without wallet or gas barriers.
IPFS via Pinata· decentralized storage
Section · Onchain
full primer →The primitive.
Every photo metadata artifact is pinned to IPFS through Pinata; photographers get a permanent CID and a public gateway preview instead of a fragile cloud URL.
Why this primitivePinning the payload to IPFS via Pinata gives a permanent CID; the CID's hash gets anchored to Bitcoin testnet4 so the storage layer is verifiable.
Kernel
a Pinata JWT upload that pins images / JSON / manifests to IPFS and returns a permanent CID — the payload behind every OP_RETURN hash and inscription
Drives the UI as
a 'pinned to IPFS' chip with the CID and an ipfs.io gateway preview
Required keys.
PRIVY_APP_ID
Privy dashboard → your app. Configure with chainType 'spark' to mint Bitcoin L2 wallets on sign-in.
open ↗PRIVY_APP_SECRET
Server-side. Required for the merchant Spark wallet to observe incoming sats transfers via the Privy RPC.
open ↗Add these in your Lovable project under Settings → Secrets before pasting the prompt below.
Appendix · Mega-prompt
The build prompt.
self-contained
Paste into a fresh Lovable project — it carries its own feature spec, code, setup and checklist. read the build strategy →
loading the build spec…
Market sizing.
TAM
$2.4B
photo metadata verification
SAM
$400M
immutable photo data tools
SOM
$11M
onchain EXIF verification
Indicative figures for hackathon pitches — refine with your own research before raising.
Adjacent entries.
photo metadata
Gasless Metadata Tags
Add and sync photo metadata onchain without gas fees or wallet complications.
asset managementPrivy Photo Assets
Manage photo assets onchain with no gas fees for easy organization and sharing.
content monetizationSponsored Tx Photo Tips
Receive tips for your photography onchain without users paying gas fees.
community rewardsGasless Photo Badges
Earn and showcase onchain badges for photography achievements with zero gas fees.