Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
🎬 Filmmaking & Animation · motion asset NFTs

MotionNFT Vault II

Mint and trade unique motion design assets as NFTs with verifiable ownership and licensing.

Privy Spark sign-in· bitcoin wallet UX
Section · Onchain

The primitive.

full primer →

Filmmakers sign in with Google through Privy — no seed phrase, no wallet extension — and Privy mints them a Spark (Bitcoin L2) wallet plus a Bitcoin testnet deposit address in one flow.

Why this primitiveA Privy Spark embedded wallet lets creators sign in with Google and receive a Bitcoin L2 address in one click — no seed phrase, no browser extension.

Kernel
Privy embedded wallet with chainType 'spark' — Google / email sign-in mints a Bitcoin testnet address plus a Spark (Bitcoin L2) address in one flow, no seed phrase, no extension
Drives the UI as
a one-click 'Sign in with Google' that drops the user into the app with a copy-able Spark address and a testnet BTC deposit address
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
$400B
global animation assets market
SAM
$2B
NFT marketplace for digital creatives
SOM
$30M
NFT licensing for motion designers

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

See also

Adjacent entries.

motion asset NFTs
MotionNFT Vault
Mint and trade unique motion design assets as NFTs with verifiable ownership and licensing.
script rights tracking
ScriptMint II
Track and transfer screenplay rights securely through blockchain for transparent ownership history.
crowd animation funding
AnimStake Voting II
Enable decentralized community voting to fund independent animations using secure onchain ballots.
storyboard authenticity
StoryboardChain II
Record storyboard versions onchain to prove originality and evolution of narrative visuals.