Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
👗 Fashion & Textile Design · design silhouette sharing

Silhouette Sync

Pin silhouette sketches and metadata for collaborative design iterations.

Ordinals inscription (testnet4)· onchain authorship
Section · Onchain

The primitive.

full primer →

Fashion designers inscribe each design silhouette sharing 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…
Open in Lovable ↗mempool.space testnet4 ↗
Appendix · Market

Market sizing.

TAM
$1.1B
fashion collaboration tools
SAM
$270M
silhouette design software
SOM
$16M
sketch archiving platforms

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

See also

Adjacent entries.

seasonal collection storage
Capsule Catalog
Store entire seasonal lookbooks as immutable IPFS manifests for authenticity.
fabric draping records
Drape Documentation
Pin high-res photos and notes on draping experiments for design validation.
digital print design
Print Provenance
Securely pin original print artworks to prevent unauthorized reproduction.
sustainable textile tracking
EcoFabric Ledger
Archive sustainability data and certifications for eco-friendly fabrics.