Bitcoin testnet4 · Spark REGTEST · no mainnet paths
🎨 Visual Art · digital rights management

Brushstroke Rights

Help illustrators manage and transfer licenses onchain with simple Google sign-in and zero gas.

Ordinals inscription (testnet4)· onchain authorship
Section · Onchain

The primitive.

full primer →

Painters inscribe each digital rights management 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…
Appendix · Market

Market sizing.

TAM
$5B
digital art licensing market
SAM
$1.5B
licensing platforms for illustrators
SOM
$80M
gasless DRM users

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

See also

Adjacent entries.