Fees · Mitoshi Docs

The price you see is the book's. Mitoshi adds no trading or settlement fee, and its relay pays the network fee on most of what you sign.

Fee	Who pays	How much
Trading	—	None: the engine has no trading-fee field.
Settlement	—	None: a winning contract pays $1.00, all of it.
A tap's network fee	Mitoshi's relay	Paid in pathUSD for calls inside its policy; you hold no gas token.
Withdrawing from the Trading Balance, revoking a key or a grant	Mitoshi's relay	—
Arming a Trading Balance, supplying Earn	You	A fraction of a cent; money coming in is never fee-sponsored.
Withdraw to another address	You	The network fee of one pathUSD transfer.
Range, Moonshot, Parlay	—	Priced into the stake the ticket shows before you confirm; nothing on top.
Boost	You, to the reserve	A premium the reserve keeps for fronting the position (8 % of what it fronts, at deployment), shown before you confirm.
A duel's pot and picks	You	The network fee; the relay pays for settling, refunds and claims.
A memecoin's curve	You, split between its creator, the template's partner and the protocol	The curve's trading fee, shown as Fee now: high at launch, falling to its floor. The relay pays the network fee.
A theme's rebalance	You	The theme's creator fee on what each rebalance trades, to the creator, and the rebalance's network fee, which the agent's key pays from your account inside its limit.

Tempo charges network fees in a stablecoin, so there is no gas token to hold. Which calls the relay sponsors is listed per contract in the relay.