Creative Blockchain
🎵 Music & Sound Design · creative contests

Gasless Sample Challenges

Run onchain sample challenge contests with free user participation and wallet sign-in.

Magic Link email wallet· wallet UX
Section · Onchain

The primitive.

full primer →

Musicians sign in with an email one-time code and get an embedded Hedera wallet — no seed phrase, no extension, no gas estimator — and their creative contests actions settle in about three seconds for a fixed sub-cent fee.

Why this primitiveHedera's fixed sub-cent fees remove gas cost barrier, Magic Link email sign-ins simplify onboarding.

Kernel
a Magic Link embedded wallet created from an email OTP, signing over the Hedera JSON-RPC relay (chainId 296) at fixed sub-cent fees — no seed phrase, no extension, no gas estimator
Drives the UI as
a one-tap 'Sign in with email' that drops the user in with their 0.0.x account id and EVM address already on screen, plus HBAR/USDC balances and faucet links
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…
Hedera testnet HashScan ↗
Appendix · Market

Market sizing.

TAM
$350M
music challenge market
SAM
$85M
sample contest platforms
SOM
$7M
gasless creative contests

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

See also

Adjacent entries.

collaborative remixing
Gasless Remix Exchange
Collaborate seamlessly on remixes without blockchain fees or sign-up friction.
sample library distribution
Onchain Sound Packs
Distribute sound packs with verified authenticity and instant user access via gasless wallets.
beat selling
NFT Beat Marketplace
Buy and sell beats with onchain provenance and zero gas fee transactions.
music rights management
Instant Royalty Splits
Automatically split royalties among collaborators with transparent, gasless onchain transactions.