Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
🎭 Theater & Live Performance · marketing collateral

PlayPromo Kit

Pin play promo images and metadata on IPFS to ensure immutable, globally accessible marketing assets.

OP_RETURN provenance on testnet4· onchain timestamp
Section · Onchain

The primitive.

full primer →

Marketing collateral gets a SHA-256 anchored into a Bitcoin testnet4 OP_RETURN — directors see a 'timestamped on Bitcoin' chip and a permanent mempool.space link.

Why this primitiveAnchoring a SHA-256 fingerprint of this artefact in a Bitcoin testnet4 OP_RETURN gives it a wallet-independent, permanent, one-line proof-of-existence.

Kernel
a SHA-256 of any artifact anchored into a Bitcoin testnet4 OP_RETURN output — a one-line, immutable, wallet-independent proof-of-existence
Drives the UI as
a 'timestamped on Bitcoin' chip with block height + a mempool.space testnet4 tx link
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
$4B
live performance marketing
SAM
$800M
digital promotion platforms
SOM
$50M
IPFS-backed theatrical promo kits

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

See also

Adjacent entries.

playwright collaboration
ScriptChain Ledger
Securely track and timestamp script drafts through an immutable blockchain ledger.
casting marketplace
RoleAuction Platform
Decentralized audition bids let performers compete transparently for roles via smart contracts.
lighting rights management
StageLight Token
Issue and trade usage rights for lighting designs using onchain tokens to protect creators.
improvisation prompts
PromptChain Impro
Generate and track custom improv prompts securely stored and shared via smart contracts.