🎮 Game Design & Interactive Media · match coordination

LOBBY · x402

$0.01 — lobby-entry fee. A high-throughput matchmaking engine where every 'Queue' request is a micro-transaction. Players pay per match-seek, ensuring skin-in-the-game and eliminating 'ghost' matchmaking. The facilitator settles pairs instantly, returning an HTS transfer signed transaction that acts as the cryptographic handshake for game server entry. No subscription to play; pay only for the matches you actually find.

Hedera testnet + x402 paywall· x402 native
Section · Onchain

The primitive.

full primer →

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

Why this primitiveTraditional matchmaking is a server-side cost center. x402 turns it into a revenue-positive micro-service. By pricing the 'seek' action, it filters bot spam, rewards high-reputation coordinators, and enables a 'Pay-to-Queue' model that funds tournament prize pools in real-time.

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
$4.2B
The global coordinated matchmaking and server-hosting market for cross-platform interactive media.
SAM
$850M
The addressable market for competitive indie gaming and mid-core mobile titles moving to transparent, fee-per-session mechanics.
SOM
$12M
Target volume for Alpha-testing on Hedera testnet, specifically focused on 1v1 skill-based games using HashPack for seamless EOA onboarding.

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

See also

Adjacent entries.