Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
🎭 Theater & Live Performance · costume design

CostumeMood Board II

Pin and share costume sketches and mood boards on IPFS for collaborative costume creation.

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

The primitive.

full primer →

Directors 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
$2B
theatrical costume industry
SAM
$400M
digital costume design platforms
SOM
$30M
costume-specific IPFS mood board tools

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

See also

Adjacent entries.

costume design
CostumeMood Board
Pin and share costume sketches and mood boards on IPFS for collaborative costume creation.
costume design
Costume Provenance Chain
Mint costume designs and ownership as NFTs to protect designer rights and provenance.
playwright collaboration
ScriptChain Ledger II
Securely track and timestamp script drafts through an immutable blockchain ledger.
casting marketplace
RoleAuction Platform II
Decentralized audition bids let performers compete transparently for roles via smart contracts.