# technical UMIPs

**URL:** https://discourse.uma.xyz/c/uma-protocol/technical-umips/42.md

[Latest](https://discourse.uma.xyz/latest.md) · [Categories](https://discourse.uma.xyz/categories.md) · [Tags](https://discourse.uma.xyz/tags.md)

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## [About the technical UMIPs category](https://discourse.uma.xyz/t/about-the-technical-umips-category/1411)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 0

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This category is for technical UMA Improvement Proposals. Such proposals may include adding a new collateral type adding a new price identifier adding or upgrading a contract Proposals should include the summary of t…

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## [UMIP 174 - Update UMA emission rate](https://discourse.uma.xyz/t/umip-174-update-uma-emission-rate/2000)

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**Author:** [@Admin-UMA](https://discourse.uma.xyz/u/Admin-UMA)\
**Replies:** 1\
**Last updated:** [June 14, 2026, 5:01pm UTC](https://discourse.uma.xyz/t/umip-174-update-uma-emission-rate/2000 "2026-06-14T17:01:14Z")

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This UMIP proposes to set a new emission rate for the VotingV2 contract at 0.18 UMA per second.

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## [UMIP-192 - Retire ASSERT\_TRUTH as a supported price identifier](https://discourse.uma.xyz/t/umip-192-retire-assert-truth-as-a-supported-price-identifier/2245)

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**Author:** [@Reinis\_FRP](https://discourse.uma.xyz/u/Reinis_FRP)\
**Replies:** 0\
**Last updated:** [November 28, 2025, 2:45pm UTC](https://discourse.uma.xyz/t/umip-192-retire-assert-truth-as-a-supported-price-identifier/2245 "2025-11-28T14:45:05Z")

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## [UMIP-191 - Add ASSERT\_TRUTH2 as a supported price identifier](https://discourse.uma.xyz/t/umip-191-add-assert-truth2-as-a-supported-price-identifier/2244)

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**Author:** [@Reinis\_FRP](https://discourse.uma.xyz/u/Reinis_FRP)\
**Replies:** 0\
**Last updated:** [November 28, 2025, 2:15pm UTC](https://discourse.uma.xyz/t/umip-191-add-assert-truth2-as-a-supported-price-identifier/2244 "2025-11-28T14:15:44Z")

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## [UMIP 185 - Upgrade oracle request bridging contracts](https://discourse.uma.xyz/t/umip-185-upgrade-oracle-request-bridging-contracts/2178)

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**Author:** [@Reinis\_FRP](https://discourse.uma.xyz/u/Reinis_FRP)\
**Replies:** 0\
**Last updated:** [April 11, 2025, 7:24am UTC](https://discourse.uma.xyz/t/umip-185-upgrade-oracle-request-bridging-contracts/2178 "2025-04-11T07:24:27Z")

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## [UMIP 183 - add MULTIPLE\_VALUES as an approved price identifier](https://discourse.uma.xyz/t/umip-183-add-multiple-values-as-an-approved-price-identifier/2138)

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**Author:** [@Lee](https://discourse.uma.xyz/u/Lee)\
**Replies:** 2\
**Last updated:** [January 9, 2025, 8:58pm UTC](https://discourse.uma.xyz/t/umip-183-add-multiple-values-as-an-approved-price-identifier/2138 "2025-01-09T20:58:03Z")

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The DVM should support the below new price identifer for Optimistic Oracle V2 requests. This UMIP is planned to be used by Polymarket to request the score results of sports games. This will allow many different type of m…

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## [UMIP 182 - Register Blast parent messenger](https://discourse.uma.xyz/t/umip-182-register-blast-parent-messenger/2117)

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**Author:** [@Reinis\_FRP](https://discourse.uma.xyz/u/Reinis_FRP)\
**Replies:** 0\
**Last updated:** [April 18, 2024, 1:53pm UTC](https://discourse.uma.xyz/t/umip-182-register-blast-parent-messenger/2117 "2024-04-18T13:53:57Z")

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## [UMIP 70 -Approve XIO As Collateral Type](https://discourse.uma.xyz/t/umip-70-approve-xio-as-collateral-type/1481)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 1\
**Last updated:** [August 27, 2023, 1:36am UTC](https://discourse.uma.xyz/t/umip-70-approve-xio-as-collateral-type/1481 "2023-08-27T01:36:27Z")

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Blockzero Labs proposes adding XIO as a collateral type to UMA Protocol in order to create an XIO Yield Dollar. The XIO Yield Dollar would play a pivotal role in our upcoming UMA DeFi Accelerator, where participants woul…

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## [UMIP 157- Add \*\*ACROSS-V2\*\* as a supported price identifier](https://discourse.uma.xyz/t/umip-157-add-across-v2-as-a-supported-price-identifier/1641)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 2\
**Last updated:** [August 24, 2023, 8:58am UTC](https://discourse.uma.xyz/t/umip-157-add-across-v2-as-a-supported-price-identifier/1641 "2023-08-24T08:58:18Z")

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The DVM should support the ACROSS-V2 price identifier.

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## [Bulletin Board](https://discourse.uma.xyz/t/bulletin-board/2029)

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**Author:** [@Bosaurum](https://discourse.uma.xyz/u/Bosaurum)\
**Replies:** 0\
**Last updated:** [August 4, 2023, 4:33am UTC](https://discourse.uma.xyz/t/bulletin-board/2029 "2023-08-04T04:33:38Z")

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Bulletin Board Authors: Jared Kehlmann, Dylan Golow Created: 08/03/23 Summary \[This feature applies to ancillary data requests containing the sentence “Updates made by the question creator via the bulletin board …

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## [UMIP 176 - Add SHERLOCK\_CLAIM as a price identifier](https://discourse.uma.xyz/t/umip-176-add-sherlock-claim-as-a-price-identifier/2002)

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**Author:** [@Admin-UMA](https://discourse.uma.xyz/u/Admin-UMA)\
**Replies:** 0\
**Last updated:** [May 4, 2023, 6:56pm UTC](https://discourse.uma.xyz/t/umip-176-add-sherlock-claim-as-a-price-identifier/2002 "2023-05-04T18:56:07Z")

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The SHERLOCK\_CLAIM price identifier is intended to allow users of Sherlock to request the DVM for arbitration in the case of a disagreement about an smart contract exploit insurance claim.

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## [UMIP 175 - Revoke minter role for deprecated contracts](https://discourse.uma.xyz/t/umip-175-revoke-minter-role-for-deprecated-contracts/2001)

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**Author:** [@Admin-UMA](https://discourse.uma.xyz/u/Admin-UMA)\
**Replies:** 0\
**Last updated:** [May 1, 2023, 5:24pm UTC](https://discourse.uma.xyz/t/umip-175-revoke-minter-role-for-deprecated-contracts/2001 "2023-05-01T17:24:29Z")

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This UMIP proposes to revoke UMA token minter role for deprecated voting contracts.

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## [UMIP 172 - Add Optimistic Asserter Update](https://discourse.uma.xyz/t/umip-172-add-optimistic-asserter-update/1914)

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**Author:** [@Admin-UMA](https://discourse.uma.xyz/u/Admin-UMA)\
**Replies:** 0\
**Last updated:** [February 10, 2023, 11:29am UTC](https://discourse.uma.xyz/t/umip-172-add-optimistic-asserter-update/1914 "2023-02-10T11:29:01Z")

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This UMIP proposes to update the OptimisticAsserter to include a new parameter in the AssertionMade event. The objective of the update is to enhance the functionality of the OptimisticAsserter by adding this new paramete…

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## [UMIP173 -Approve DVM Upgrade to DVM 2.0](https://discourse.uma.xyz/t/umip173-approve-dvm-upgrade-to-dvm-2-0/1935)

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**Author:** [@Admin-UMA](https://discourse.uma.xyz/u/Admin-UMA)\
**Replies:** 0\
**Last updated:** [February 24, 2023, 5:20pm UTC](https://discourse.uma.xyz/t/umip173-approve-dvm-upgrade-to-dvm-2-0/1935 "2023-02-24T17:20:39Z")

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This UMIP proposes an upgrade to the UMA Data Verification Mechanism (DVM) that re-works core parts of UMA’s tokenomics. At a high level, this upgrade adds a new staking and slashing mechanism wherein voters earn a pro-…

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## [UMIP 171 - Add Optimistic Asserter](https://discourse.uma.xyz/t/umip-171-add-optimistic-asserter/1905)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 0\
**Last updated:** [January 31, 2023, 3:47pm UTC](https://discourse.uma.xyz/t/umip-171-add-optimistic-asserter/1905 "2023-01-31T15:47:46Z")

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This UMIP proposes the introduction of the OptimisticAsserter contract, which allows for the assertion of truths about the world using an optimistic escalation game. The contract utilizes the UMA Data Verification Mechan…

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## [UMIP 170 - add ASSERT\_TRUTH as a supported price identifier](https://discourse.uma.xyz/t/umip-170-add-assert-truth-as-a-supported-price-identifier/1900)

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**Author:** [@Reinis\_FRP](https://discourse.uma.xyz/u/Reinis_FRP)\
**Replies:** 0\
**Last updated:** [January 30, 2023, 12:08pm UTC](https://discourse.uma.xyz/t/umip-170-add-assert-truth-as-a-supported-price-identifier/1900 "2023-01-30T12:08:23Z")

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The DVM should support price requests for the ASSERT\_TRUTH price identifier. ASSERT\_TRUTH is intended to be used as a default price identifier for UMA’s Optimistic Asserter contract that allows asserters to make claims a…

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## [UMIP 169 - Decentra-List price identifier](https://discourse.uma.xyz/t/umip-169-decentra-list-price-identifier/1898)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 0\
**Last updated:** [January 25, 2023, 5:02pm UTC](https://discourse.uma.xyz/t/umip-169-decentra-list-price-identifier/1898 "2023-01-25T17:02:57Z")

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The DVM should support price requests for the DECENTRA-LIST price identifier. The Decentra-List dapp allows users to add and remove addresses from a list based on the list creator’s set of criteria. When a revision to th…

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## [UMIP 168 -Add uSPAC10g as price identifier](https://discourse.uma.xyz/t/umip-168-add-uspac10g-as-price-identifier/1835)

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**Author:** [@binomfx](https://discourse.uma.xyz/u/binomfx)\
**Replies:** 4\
**Last updated:** [November 28, 2022, 4:42pm UTC](https://discourse.uma.xyz/t/umip-168-add-uspac10g-as-price-identifier/1835 "2022-11-28T16:42:55Z")

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The DVM should support price requests for uSPAC10g price identifier. The purpose of this price identifier is to create synthetic token, price of which is linked to the value of index of 10 most active SPACs (Special Pur…

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## [UMIP 167 - Add ACX as Collateral](https://discourse.uma.xyz/t/umip-167-add-acx-as-collateral/1852)

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**Author:** [@Admin-UMA](https://discourse.uma.xyz/u/Admin-UMA)\
**Replies:** 0\
**Last updated:** [November 22, 2022, 2:21pm UTC](https://discourse.uma.xyz/t/umip-167-add-acx-as-collateral/1852 "2022-11-22T14:21:44Z")

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This UMIP proposes adding ACX for use as collateral in UMA contracts.

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## [UMIP 166 - Add DXY (USD Index) as a price identifier](https://discourse.uma.xyz/t/umip-166-add-dxy-usd-index-as-a-price-identifier/1797)

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**Author:** [@coinop-logan](https://discourse.uma.xyz/u/coinop-logan)\
**Replies:** 0\
**Last updated:** [August 24, 2022, 9:53pm UTC](https://discourse.uma.xyz/t/umip-166-add-dxy-usd-index-as-a-price-identifier/1797 "2022-08-24T21:53:31Z")

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The DVM should support a US Dollar Index price identifier. The canonical identifier should be DXY.

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## [UMIP 164 - Add THOR as a collateral currency](https://discourse.uma.xyz/t/umip-164-add-thor-as-a-collateral-currency/1806)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 0\
**Last updated:** [September 13, 2022, 2:41pm UTC](https://discourse.uma.xyz/t/umip-164-add-thor-as-a-collateral-currency/1806 "2022-09-13T14:41:17Z")

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This UMIP proposes adding THOR for use as collateral in UMA contracts.

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## [UMIP 162 - Add Optimistic Oracle V2](https://discourse.uma.xyz/t/umip-162-add-optimistic-oracle-v2/1805)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 0\
**Last updated:** [September 13, 2022, 2:39pm UTC](https://discourse.uma.xyz/t/umip-162-add-optimistic-oracle-v2/1805 "2022-09-13T14:39:38Z")

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This UMIP will result in the creation of a new optimistic oracle contract with enhanced control over pricing request callbacks, which will only be executed if the requester has declared its readiness to receive them. Thi…

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## [Add WETH as collateral currency on Optimism](https://discourse.uma.xyz/t/add-weth-as-collateral-currency-on-optimism/1803)

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**Author:** [@pemulis1](https://discourse.uma.xyz/u/pemulis1)\
**Replies:** 0\
**Last updated:** [September 11, 2022, 3:23pm UTC](https://discourse.uma.xyz/t/add-weth-as-collateral-currency-on-optimism/1803 "2022-09-11T15:23:39Z")

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The DVM should support WETH as a collateral currency on Optimism.

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## [UMIP 165 - Add NUMERICAL as supported price identifier](https://discourse.uma.xyz/t/umip-165-add-numerical-as-supported-price-identifier/1770)

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**Author:** [@pemulis1](https://discourse.uma.xyz/u/pemulis1)\
**Replies:** 1\
**Last updated:** [July 27, 2022, 12:05pm UTC](https://discourse.uma.xyz/t/umip-165-add-numerical-as-supported-price-identifier/1770 "2022-07-27T12:05:35Z")

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The DVM should support data requests for number values as a response to natural language questions. The canonical identifier should be NUMERICAL.

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## [UMIP-140 - Update index basket and correction factor](https://discourse.uma.xyz/t/umip-140-update-index-basket-and-correction-factor/1755)

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**Author:** [@binomfx](https://discourse.uma.xyz/u/binomfx)\
**Replies:** 0\
**Last updated:** [July 4, 2022, 11:39am UTC](https://discourse.uma.xyz/t/umip-140-update-index-basket-and-correction-factor/1755 "2022-07-04T11:39:12Z")

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Update UMIP-140: change index basket and correction factor fo new quarter.

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## [UMIP Proposal - Oprional callbacks and event based Requests](https://discourse.uma.xyz/t/umip-proposal-oprional-callbacks-and-event-based-requests/1743)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 2\
**Last updated:** [June 21, 2022, 12:36pm UTC](https://discourse.uma.xyz/t/umip-proposal-oprional-callbacks-and-event-based-requests/1743 "2022-06-21T12:36:32Z")

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This UMIP will result in the creation of a new optimistic oracle contract with enhanced control over pricing request callbacks, which will only be executed if the requester has declared its readiness to receive them. Thi…

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## [UMIP 163 - Add MAGICETH, MAGICUSD, ETHMAGIC and USDMAGIC as supported price identifiers](https://discourse.uma.xyz/t/umip-163-add-magiceth-magicusd-ethmagic-and-usdmagic-as-supported-price-identifiers/1740)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 2\
**Last updated:** [June 21, 2022, 12:35pm UTC](https://discourse.uma.xyz/t/umip-163-add-magiceth-magicusd-ethmagic-and-usdmagic-as-supported-price-identifiers/1740 "2022-06-21T12:35:56Z")

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The DVM should support price requests for MAGIC/ETH and MAGIC/USDC pairs. The canonical identifier should be MAGICETH and MAGICUSDC.

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## [UMIP 161- Add MAGIC as collateral](https://discourse.uma.xyz/t/umip-161-add-magic-as-collateral/1742)

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**Author:** [@Mhairi](https://discourse.uma.xyz/u/Mhairi)\
**Replies:** 1\
**Last updated:** [June 14, 2022, 2:37pm UTC](https://discourse.uma.xyz/t/umip-161-add-magic-as-collateral/1742 "2022-06-14T14:37:21Z")

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This UMIP proposes adding MAGIC for use as collateral in UMA contracts.

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## [UMIP 160 -Add COVENANT\_V1 price identifier](https://discourse.uma.xyz/t/umip-160-add-covenant-v1-price-identifier/1719)

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**Author:** [@Reinis\_FRP](https://discourse.uma.xyz/u/Reinis_FRP)\
**Replies:** 0\
**Last updated:** [May 11, 2022, 12:37am UTC](https://discourse.uma.xyz/t/umip-160-add-covenant-v1-price-identifier/1719 "2022-05-11T00:37:28Z")

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The COVENANT\_V1 identifier is intended to be used with an Optimistic Distributor contract to verify Covenant bribing protocol payouts. Any address can propose distribution payouts of previously funded Covenant bribe thro…

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## [Add TETU as collateral](https://discourse.uma.xyz/t/add-tetu-as-collateral/1722)

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**Author:** [@G-0ne](https://discourse.uma.xyz/u/G-0ne)\
**Replies:** 2\
**Last updated:** [May 26, 2022, 11:42am UTC](https://discourse.uma.xyz/t/add-tetu-as-collateral/1722 "2022-05-26T11:42:26Z")

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UMIP # - tbd UMIP title: Add TETU as collateral currency Author Gregory Tumbiola (Tumbiola@gmail.com) Status: Draft Created: May 10 2022 Discourse Link: Summary (2-5 sentences) This UMIP proposes add…

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