The problem a mint service solves
A platform wants to give NFTs to users who have no wallet and will not buy gas. On most chains that means an intermediary that custodies keys, pays fees and mints in bulk — a business built on a chain's missing features.
The same flow, natively
1. The creator lists without minting. musicNft.claim_lazy_track (and its NFT-suite equivalents): sign a metadata commitment off chain; nothing on chain yet; zero cost.
2. The user gets an account without a seed phrase. pallet-account-abstraction: an abstracted account with session keys, recovery guardians designed in. Eoonia can create it silently and prompt for backup later.
3. The platform sponsors the fee. pallet-paymaster: a policy (whitelisted users or credential holders, per-operation cap, allowed calls) validated at the entry point. The user's claim costs the user nothing.
4. The mint happens on claim. The user's account triggers the lazy-mint claim; the token is minted directly to them. Fee on the testnet: 0.000110 DMS, paid by the paymaster.
5. Scale. For airdrops, mint_track_batch mints 100 tokens for 0.0022 DMS in one extrinsic.
What this removes
Custody (the user's account is theirs from the first block), a bulk-minting intermediary, and a per-mint fee wall. The platform's cost is DMS in a paymaster — one DMS covers thousands of claims.
What it does not remove
Media storage: files go through pallet-blob-storage (0.000095 DMS per MB) to the storage market. Royalty rules: set at collection level, enforced on resale by pallet-nft-royalties regardless of venue.
Status
Every pallet in the flow is in runtime 220. Batch and lazy minting have measured fees. Sponsored claims from an abstracted account have not been exercised end to end on the public testnet. No platform has built a mint service on it; there is no partner. The page this replaces described one on another chain.
For a builder
This is a hackathon-sized project in the NFT/gaming category, and the first team to run a sponsored lazy-mint claim from a seedless account will have exercised three pallets nobody has combined yet.
Based on FEE_MODEL_AND_LOW_COST_STRATEGY.md, EIP_COVERAGE.md and PALLET_REFERENCE.md.