diff --git a/docs/basics/protocol_fees.rst b/docs/basics/protocol_fees.rst index d63bf1166a..18cfaa8e41 100644 --- a/docs/basics/protocol_fees.rst +++ b/docs/basics/protocol_fees.rst @@ -2,21 +2,15 @@ Protocol Fees ############################### +.. note:: + + As of September 29, 2021, protocol fees have been removed for all order types in both Exchange V4 and V3 in accordance with `ZEIP-91 `_. + An ETH protocol fee is paid by the Taker each time a `Limit Order <./orders.html#limit-orders>`_ is `filled <./functions.html>`_. The fee is proportional to the gas cost of filling an order and scales linearly with gas price. The cost is currently ``0 * tx.gasprice``. At the end of every Staking Epoch, these fees are aggregated and distributed to the makers as a liquidity reward: the reward is proportional to the maker's collected fees and staked ZRX relative to other makers. To learn more about protocol fees and liquidity incentives, see the `Official Spec `_. -.. note:: - - As of September 29, 2021, protocol fees have been removed for all order types in both Exchange V4 and V3 in accordance with `ZEIP-91 `_. - -.. note:: - - `RFQ Orders <./orders.html#rfq-orders>`_ are introduced in Exchange V4, and there is currently no protocol fee for filling this type of order. - The existing fee mechanics work well for limit orders, where arb bots pay to compete for liquidity; however, it does not translate well to RFQ where makers are matched with a specific taker. - We are researching fee models that could be used for RFQ and will keep the community up-to-date on our `Forum `_. - .. warning:: In Exchange V3, protocol fees could be paid in ETH or WETH. As of V4, they can only be paid in ETH. \ No newline at end of file