Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
🎬 Filmmaking & Animation · 3D model documentation

ModelPin Archive

Pin 3D model metadata and previews on IPFS for permanent documentation and usage logs.

Ordinals inscription (testnet4)· onchain authorship
Section · Onchain

The primitive.

full primer →

Filmmakers inscribe each 3D model documentation 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
$1B
3D modeling platforms
SAM
$300M
model asset documentation
SOM
$40M
mid-tier studios

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

See also

Adjacent entries.

color palette sharing
PaletteChain
Pin color palettes on IPFS for permanent, shareable references in collaborative projects.
animation data archival
AnimData Store
Pin keyframe data and animation parameters to IPFS for permanent archival and collaboration.
motion capture storage
MotionMap Vault
Store and pin motion capture data on IPFS ensuring permanent access and tamper-proof records.
voice asset management
AnimVoice Ledger
Pin voiceover takes and metadata to IPFS to maintain immutable, verifiable audio assets.