Bitcoin testnet4 · Spark REGTEST · no mainnet paths
Creative Bitcoin
👗 Fashion & Textile Design · supply chain transparency

Designer Direct

Connect designers directly with suppliers using onchain verified transactions and profiles.

IPFS via Pinata· decentralized storage
Section · Onchain

The primitive.

full primer →

Every supply chain transparency artifact is pinned to IPFS through Pinata; fashion designers get a permanent CID and a public gateway preview instead of a fragile cloud URL.

Why this primitivePinning the payload to IPFS via Pinata gives a permanent CID; the CID's hash gets anchored to Bitcoin testnet4 so the storage layer is verifiable.

Kernel
a Pinata JWT upload that pins images / JSON / manifests to IPFS and returns a permanent CID — the payload behind every OP_RETURN hash and inscription
Drives the UI as
a 'pinned to IPFS' chip with the CID and an ipfs.io gateway 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
$1.2B
fashion design software
SAM
$130M
supply chain platforms
SOM
$13M
blockchain transparency solutions

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

See also

Adjacent entries.

design copyright
Pattern Provenance
Protect sewing patterns with immutable copyright records accessible via Google login.
custom order management
Tailor Token
Enable tailors to accept and manage custom orders via tokenized contracts and gasless sign-in.
decentralized fashion governance
Fashion DAO Hub
Empower designer collectives to govern projects through token voting with easy wallet setup.
authenticity verification
Vintage Vault
Authenticate vintage fashion pieces via onchain certificates linked to verified user profiles.