Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
💃 Dance & Choreography · movement attribution

Choreo Ledger II

Securely prove original choreography ownership and timestamp creations on a public ledger.

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

The primitive.

full primer →

Choreographers 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
$5B
global dance studio software market
SAM
$500M
digital dance content IP management
SOM
$50M
early adopters in dance choreography tech

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

See also

Adjacent entries.

movement attribution
Choreo Ledger
Securely prove original choreography ownership and timestamp creations on a public ledger.
event access control
Dance NFT Tickets II
Sell and verify exclusive dance event tickets as tradable NFTs on-chain to prevent fraud.
incentive tokenization
MoveCoin Rewards II
Reward dancers with crypto tokens for participation and achievements in studio classes.
rights management
Choreo Royalty Pool II
Distribute royalties automatically among choreographers, dancers, and producers using smart contracts.