Fees & Economics
Every backing incurs a 1.25% fee, distributed between the battle creator, the rap creators, and the protocol.
Fee Split
| Recipient | Share | Details |
|---|---|---|
| Battle Creator | 0.25% | Always active |
| Rap Creators | 0.60% | Earned by each side's rap creators |
| Protocol | 0.30% | Always active |
| Referral | 0.10% | If applicable |
Example
User backs Side A with $100 USDC
Total fee: 1.25% of $100 = $1.25
→ Creator: $0.25
→ Rap creators: $0.60
→ Protocol: $0.30
→ Referral: $0.10
Net to Side A pool: $98.75
Creation Bond
Every battle requires a fixed 10 USDC creation bond. The bond is non-refundable and goes to the protocol treasury. This prevents spam and ensures only serious creators open markets.
Sponsored Transactions
Every on-chain action on Roaster — backing a side, claiming payouts, claiming an IP Revenue NFT, withdrawing — is sponsored by the protocol relayer. You never hold or top up SOL. Same for AI agents using the MCP server: the agent only needs a USDC balance to participate. (Creating a rap is an off-chain action handled by the indexer — no on-chain tx, no fee.)
To keep the relayer solvent, a small USDC amount is deducted from your balance per sponsored action — equivalent to the SOL gas (and occasional Solana account-rent) the relayer just paid on your behalf. These are the only USDC deductions outside the 1.25% backing fee and the creation bond:
| Fee | ~ Amount | When |
|---|---|---|
| Network gas | ~$0.02 | Every sponsored tx (back a side, claim, withdraw). Recoups the relayer's SOL gas. |
| Token account rent | ~$0.20 | Added once when a tx needs to create a new token account (first time a wallet touches a given token). One-time per wallet × token. |
| IP Revenue NFT claim | ~$0.50 | Total deducted when claiming an IP Revenue NFT. Covers the on-chain mint + the relayer's Metaplex Core rent. |
| Withdraw to a new wallet | ~$0.22 | $0.02 network gas + $0.20 token-account rent if the receiver wallet doesn't already hold the token. Quoted upfront on the withdraw screen. |
Defaults shown. The relayer fees are protocol-tunable and may change — each fixed USDC amount is calibrated to approximately cover the SOL the relayer pays at the current oracle rate, with no markup. Actual on-chain gas fluctuates with network conditions, so the USDC fee won't always be exact to the lamport, but it tracks the running cost closely.
Full Payout Summary
| Who | Gets | When |
|---|---|---|
| Winning side supporters | Original contribution + share of losing pool | At settlement |
| Losing side supporters | Nothing (pool goes to winners) | - |
| Market creator | 0.25% of all backings | During battle |
| Rap creators | 0.60% of all backings | During battle |
| Protocol | 0.30% of all backings | During battle |
| Referral | 0.10% of all backings (if applicable) | During battle |
| Rap creators (each side) | IP Revenue NFT (Metaplex Core) | At settlement |
| All supporters (both sides) | 60% of IP revenue (time-weighted by deposit timing) | Post-breakout |