Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
📷 Photography · photo NFT art

Privy NFT Experiments

Easily mint and share photo NFTs with zero-gas user experience via Privy wallets.

Ordinals inscription (testnet4)· onchain authorship
Section · Onchain

The primitive.

full primer →

Photographers inscribe each photo NFT art as an Ordinal on Bitcoin testnet4, minting a permanent, wallet-owned inscription ID with the artifact bytes carried directly in the witness.

Why this primitiveWriting the artefact bytes directly into a Bitcoin testnet4 taproot witness mints an ownable inscription that travels with the creator's address.

Kernel
a taproot inscription that writes the artifact bytes directly into a Bitcoin testnet4 witness, minting an inscription ID owned by the creator's address
Drives the UI as
an 'inscribed on Bitcoin' badge with the inscription ID and an ordinals.com testnet preview
Appendix · Secrets

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 ↗
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 — it carries its own feature spec, code, setup and checklist. read the build strategy →

loading the build spec…
Open in Lovable ↗mempool.space testnet4 ↗
Appendix · Market

Market sizing.

TAM
$2.4B
photo NFT and art markets
SAM
$600M
photo NFT minting tools
SOM
$18M
gasless NFT minters among pros

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

See also

Adjacent entries.

photo NFTs
NFTrography Gallery
Mint and pin unique photographic art on IPFS to guarantee immutable ownership and provenance.
image authentication
ProofShot Certify
Authenticate original photos by pinning hashes and images on IPFS for proof of authenticity.
time lapse
ChronoCapture Log
Pin time-lapse image sequences on IPFS to preserve and share permanent chronological photo stories.
camera data archival
LensLegacy Vault
Store detailed camera sensor data with images on IPFS to analyze vintage gear performance over time.