✍️ Writing, Poetry & Narrative · story mapping

PLOTLINE · x402

A version-controlled repository for branching narratives where every 'leaf' node and story deviation requires a micropayment to commit or retrieve. Instead of broad subscriptions, narrative teams pay per branch generated by AI or queried by writers. The protocol ensures that world-builders are paid 0.01 USDC every time their specific lore-bits are referenced or integrated into a new scenario. It turns plot-mapping from static documentation into a live, metered asset library.

Hedera testnet + x402 paywall· x402 native
Section · Onchain

The primitive.

full primer →

Access to the story mapping engine is metered with x402: 0.01 HBAR or 0.01 HTS USDC per call, paid from the embedded wallet, so writers — or the agents working for them — pay per query and get a HashScan receipt every time.

Why this primitiveStory mapping is traditionally a sunk cost. By moving to x402, every narrative path becomes a distinct digital asset. The pay-per-use model prevents 'bloat' in massive open-world design and creates a financial incentive for granular, high-quality world-building.

Kernel
an x402 v2 paywall metering access at 0.01 HBAR or 0.01 HTS USDC (token 0.0.429274) per call, paid from the embedded wallet through the relay and verified by a self-hosted facilitator against the Hedera mirror node
Drives the UI as
a 'pay 0.01 HBAR or USDC to unlock' button with a live flow log and a HashScan link for every settlement
Appendix · Secrets

Required keys.

HEDERA_OPERATOR_ID
Hedera testnet account id (0.0.xxxxxx). Create and fund it free.
open ↗
HEDERA_OPERATOR_KEY
ECDSA private key for that account, from the Hedera portal dashboard.
open ↗
REOWN_PROJECT_ID
Free project id powering the HashPack pairing modal.
open ↗
HEDERA_RPC_URL
Optional. JSON-RPC relay, defaults to the public Hashio endpoint.
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. Make sure all five secrets above are set first. read the build strategy →

Loading the mega-prompt…
Appendix · Market

Market sizing.

TAM
$1.2B
The global game narrative design and procedural content generation market.
SAM
$85M
Narrative design tools for indie game studios and collaborative fiction DAO contributors.
SOM
$4.2M
Narrative designers and writers building on-chain RPGs and interactive fiction on Hedera.

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

See also

Adjacent entries.