Creative Blockchain
🎮 Game Design & Interactive Media · digital fashion

Onchain Avatar Store

Buy and customize avatars with zero gas fees using embedded wallets and Hedera's fixed sub-cent fees.

Magic Link email wallet· wallet UX
Section · Onchain

The primitive.

full primer →

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

Why this primitiveMagic Link email sign-in plus Hedera's fixed sub-cent fees eliminates gas barriers in avatar item purchases.

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
$5B
virtual fashion and avatar market
SAM
$900M
indie avatar customization
SOM
$200M
gasless avatar item transactions

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

See also

Adjacent entries.

multiplayer coordination
Gasless Guilds
Seamlessly create and join guilds with gas-free onboarding and instant member transactions.
reward distribution
Sponsored Loot Drops
Distribute in-game rewards directly to players' wallets without any gas fees.
XR social spaces
the embedded wallet VR Lobby
Enter virtual lobbies with gas-free wallet login and seamless social interactions.
interactive storytelling
Social Quest Chains
Collaborate on story-driven quests with gasless wallet sign-in and transaction sponsorship.