What two percent does.
The Paring, followed from a trade to the moment it retires supply.
A trade of 10,000 TALL leaves a Paring of 200 TALL with the mechanism. This note follows those 200 to their end.
What is charged. Two percent comes out of a trade, a buy charged the same as a sale. It is taken inside the trade itself, so there is no invoice, no separate transfer, and nothing to forget.
What is not charged. Keeping TALL, receiving it, reading the state, and calling a Tallage. The call costs the network’s gas and nothing more; the mechanism knows no second fee of any kind.
Where the 200 goes. Nowhere, at first. It gathers under the contract’s own control, and the contract has exactly one way to spend it. When a Tallage runs, the gathered Paring buys TALL from the market, what it bought is retired, and the oldest live Notches are marked in order. The 200 is not revenue. It is the queue’s working balance, and it ends as Char — TALL that never comes back.
Changes. Nothing needs announcing. The Paring was written without a setter; it cannot be raised, lowered or switched off, and the opening order is just as fixed, and so is the supply. A change, were one possible, would be published here first. None can, so nothing will ever appear here — and that absence is the strongest sentence on this page.