### Author:  [@TokenLogic](https://forum.balancer.fi/u/TokenLogic)
#### Post date: [June 26, 2024, 5:48pm UTC](https://forum.balancer.fi/t/bip-650-enable-gho-gauges-on-arbitrum/5836/1 "2024-06-26T17:48:36Z")
### PR with Payload
>
>
> Proposal: https://forum.balancer.fi/t/bip-xxx-enable-gho-gauges-on-arbitrum/5836…
>
> Pending GHO to be able to be bridged properly to Arbitrum and tested. Can possibly be voted on before this is validated on July 2nd.
> ## Summary
>
> @TokenLogic and @kpk proposes creating four new gauges in collaboration with Gyroscope and Balancer.
>
> Four new pools:
>
> GHO/USDe Pool - Range: -50bps to 50bps
> GHO/aArbUSDC Pool - Range: -40bps to 2bps
> GHO/GYD Pool - Range: -40bps to 2bps
> GHO/USDC/USDT Pool - Composable Stable Amp 750
>
> ## References/Useful links
>
> **GHO**
>
> - [Website](https://app.aave.com/markets/)
> - [Documentation](https://docs.aave.com/hub/)
> - [Github Page](https://github.com/aave/interface)
> - [Communities](https://governance.aave.com/)
>
> **GYD**
>
> - [Slidedeck on E-CLPs](https://docs.google.com/presentation/d/16Qt-8PaLJ_1FkaNnI4rocEYUDrG1ktW3u4R6yeSwY68/edit#slide=id.g208e5b00ffd_0_95)
> - [Documentation of E-CLPs](https://docs.gyro.finance/gyroscope-protocol/concentrated-liquidity-pools/e-clps#description-of-e-clps)
> - [Website](https://gyro.finance/)
> - [Github](https://github.com/gyrostable)
> - [Discord](https://discord.com/invite/2vnqnS7wE6)
> - [X](https://twitter.com/GyroStable)
>
> **USDe**
>
> - [Website](https://www.ethena.fi/)
> - [Documentation](https://ethena-labs.gitbook.io/ethena-labs/)
> - [Fundraising News](https://twitter.com/leptokurtic_/status/1759546368467849577?s=20)
> - [Communities](https://twitter.com/ethena_labs/status/1759546702187696437?s=20)
>
> ## Protocol Description
>
> **GHO & Aave Protocol**
> The Aave Protocol is a decentralized liquidity protocol that is deployed across many EVM compatible networks including but not limited to Optimism, Arbitrum, Avalanche and Polygon. Currently, the Aave Protocol has a TVL of approximately $10.7 Billion.
>
> GHO is a decentralized multi-collateral stable coin that is fully backed, transparent and native to the Aave Protocol.
>
> **USDC**
> USDC is a digital dollar, also known as a stablecoin, that’s available 24/7 and moves at internet speed. USDC lives natively on the internet, running on many of the world’s most advanced blockchains. Billions of USDC change hands every day1, and every digital dollar of USDC is always redeemable 1:1 for US dollars. - [Circle](https://www.circle.com/en/usdc)
>
> **GYD**
> GYD is an all-weather stablecoin that provides one-stop access to stablecoin risk control. GYD is fully backed by a set of assets with fundamental innovations in risk control built in at the protocol level to automate diversification and redundancy.
>
> These innovations include automated risk diversification rules, optimized minting and redemption design that guides the protocol on how to use reserve assets to maintain stability, and multiple layers of redundancy in price feeds and circuit breakers.[-Gyroscope](https://forum.balancer.fi/t/bip-491-enable-3-gyd-stablecoin-gauges-ethereum/5357)
>
> **USDT**
>
> All Tether tokens (USD₮) are pegged at 1-to-1 with a matching fiat currency and are backed 100% by Tether’s reserves.[- Tether](https://tether.to/en/)
>
> **USDe & Ethena**
>
> Ethena is a synthetic dollar protocol built on Ethereum that provides a crypto-native solution for money not reliant on traditional banking system infrastructure, alongside a globally accessible dollar denominated savings instrument - the ‘Internet Bond’.
>
> Ethena’s synthetic dollar, USDe, provides a stable crypto-native solution for money achieved by delta-hedging staked Ethereum collateral. USDe is fully collateralized and free to compose throughout DeFi.
>
> USDe peg stability is ensured through the use of delta hedging derivatives positions against protocol-held collateral.
>
> ## Motivation
>
> This proposal aims to add four veBAL gauges:
>
> **New Gauges**
>
> GHO/USDe Pool - Range: -50bps to 50bps
> GHO/aArbUSDC Pool - Range: -40bps to 2bps
> GHO/GYD Pool - Range: -40bps to 2bps
> GHO/USDC/USDT Pool - Composable Stable Amp 750
>
> ## Specification
>
> 1. **Governance:**
>
> - AAVE, aAAVE and stkAAVE serve as the governance tokens for the Aave DAO. Holders can vote on proposals at both a Snapshot level and through the Aave DAO [on-chain governance portal](https://app.aave.com/governance/).
>
> - Ethena currently operates with a multi-signature wallet, featuring doxxed founding contributors. The protocol is planning to decentralize strategy management to shards holders and transition to decentralized governance in the future.
>
> - The Gyroscope Protocol will be governed by a DAO and relevant stakeholder with the full launch on Ethereum. For now, the FTL Labs multi-sig can pause the pool, change the swap fee and set the protocol fee. As a custom pool by Gyroscope, the E-CLP will be controlled by Gyroscope governance upon its launch.
>
> 1. **Oracles:**
>
> - rateProvider0 (for GHO): 0x0 (none)
> - rateProvider1 (for aArbUSDC):
> - rateProvider0 (for GYD): 0x0 (none)
> - rateProvider0 (for USDe): 0x0 (none)
> - rateProvider0 (for USDC): 0x0 (none)
> - rateProvider0 (for USDT): 0x0 (none)
>
> 1. **Audits:**
>
> _Aave v3_
>
> - [ABDK](https://github.com/aave/aave-v3-core/blob/master/audits/27-01-2022_ABDK_AaveV3.pdf)
> - [OpenZeppelin](https://github.com/aave/aave-v3-core/blob/master/audits/01-11-2021_OpenZeppelin_AaveV3.pdf)
> - [Trail of Bits](https://github.com/aave/aave-v3-core/blob/master/audits/07-01-2022_TrailOfBits_AaveV3.pdf)
> - [Peckshield](https://github.com/aave/aave-v3-core/blob/master/audits/14-01-2022_PeckShield_AaveV3.pdf)
> - [SigmaPrime](https://github.com/aave/aave-v3-core/blob/master/audits/27-01-2022_SigmaPrime_AaveV3.pdf)
>
> _GHO_
>
> - [Sigma Prime](https://github.com/aave/gho-core/blob/main/audits/02-06-2023_SigmaPrime.pdf)
> - [Sigma Prime](https://github.com/aave/gho-core/blob/main/audits/07-03-2023_SigmaPrime.pdf)
> - [ABDK](https://github.com/aave/gho-core/blob/main/audits/01-03-2023_ABDK.pdf)
> - [OpenZeppelin-v2](https://github.com/aave/gho-core/blob/main/audits/10-11-2022_Openzeppelin-v2.pdf)
> - [OpenZeppelin-v1](https://github.com/aave/gho-core/blob/main/audits/12-08-2022_Openzeppelin-v1.pdf)
>
> _GYD_
>
> Audit reports by Nethermind, Trail of Bits, and Runtime Verification can be accessed here (the E-CLP is called the “CEMM” in these reports). In addition, the E-CLP code has been live in production on Polygon since November 2022.
>
> _USDe_
>
> Ethena has undertaken a multi-phased audit program to ensure the highest level of security on the procotol.
>
> - Phase 1: conducted initial audit with Zellic on the v1 of the protocol where no critical or high level vulnerabilities were found.
> - Phase 2: architecture design review and economic risk factor analysis with Spearbit’s Kurt Barry former Lead Engineer at MakerDAO
> - Phase 3: phased audit with industry leading firms: Quantstamp, Spearbit & Cantina
> - Phase 4: independent audit with Pashov with individual experience of over 50 audits
> - Phase 5: public audit with Code4rena
> - Phase 6: economic and financial risk audit by Chaos Labs
> - Phase 7: upcoming public bug bounty program with Immunefi
>
> Copies of the audits can be found [here](https://ethena-labs.gitbook.io/ethena-labs/resources/audits)
>
> 1. **Centralization vectors:**
>
> - Aave Governance is decentralized, and all changes must go through a transparent and well-tested governance process.
>
> - Circle are both centralised entities with control over which addresses can transfer there stable coin.
>
> - Gyroscope’s GYD, no centralization vectors.
>
> - Ethena’s USDe, centralizatio vectors can be found [here](https://ethena.notion.site/Ethena-FAQs-3ccc1437e13343f8b74c0d005e4f5128)
>
> - The E-CLP Pool type, the FTL Labs team’s multi-sig can - currently - pause the pool, change the swap fee and set the protocol fee.
>
> 1. **Market History:**
>
> - GHO is in the process of being released on Arbitrum.
> - USDC and USDT are widely used across many liquidity pools
> - USDe has relatively short history on Arbitrum.
> - GYD has recently launched on Arbitrum.
>
> 1. **Value:**
>
> - These pools are expected to drive meaningful TVL to Balancer and Aura Finance. Liquidity providers can expect to receive, Spin Points from Gyroscope, Sats from Ethena, vlAURA voting support from Balancer Maxi + ALC and ARB from Gyrscope + ALC + Balancer Maxi.
>
> ## Pool Details
>
> Link to Pool: [GHO/USDe Pool - Range: -50bps to 50bps](https://arbiscan.io/address/0x2B783cD37774BB77d387D35683e8388937712f0a)
> Link to Gauges: [Arbitrum](https://arbiscan.io/address/0xf2d151c40C18d8097AAa5157eE8f447CBe217269) & [Ethereum](https://etherscan.io/address/0xE03b4CB39C54EedFe4E46677511989866A88dbE3)
>
> Link to Pool: [GHO/aArbUSDC Pool - Range: -40bps to 2bps](https://arbiscan.io/address/0x46472CBA35E6800012aA9fcC7939Ff07478C473E)
> Link to Gauges: [Arbitrum](https://arbiscan.io/address/0x6e654787251ae77Fe1873f93A5f220E00afa90E8) & [Ethereum](https://etherscan.io/address/0x27213687F92cdA21F10cc09A3e860B6D817Ef096)
>
> Link to Pool: [GHO/GYD Pool - Range: -40bps to 2bps](https://arbiscan.io/address/0xBc88FA2aeb274326ae3F2c66139D5Eb33D1F5C2E)
> Link to Gauges: [Arbitrum](https://arbiscan.io/address/0x08f3e8A507E51c436f301afc77Fb725486b1307a) & [Ethereum](https://etherscan.io/address/0x9434c3955920A1FeD5e28ebCCEF80dCd54DEA180)
>
> Link to Pool: GHO/USDC/USDT Pool - [Composable Stable](https://app.balancer.fi/#/arbitrum/pool/0xf890360473c12d8015da8dbf7af11da87337a065000000000000000000000570)
> Linke to Gauges: B-GHO-USDC-USDT - [Arbitrum](https://arbiscan.io/address/0x7d907D8D66B6CAd285D4349F507EcdfD11FD23D2) - [Ethereum](https://etherscan.io/address/0x6DD48C4858dd84738E2A347881D66761C964CE3F)
>
> The Balancer Maxi LM Multisig eth:0xc38c5f97B34E175FFd35407fc91a937300E33860 will interact with the GaugeAdderv4 at 0x5DbAd78818D4c8958EfF2d5b95b28385A22113Cd and call the addGauge function with the following arguments:
>
> These pools will be seeded with liquidity just prior to GHO officially launching on Arbitrum.
>
> gauge(address): `0xE03b4CB39C54EedFe4E46677511989866A88dbE3`
> gaugeType(string): `Arbitrum`
>
> gauge(address): `0x27213687F92cdA21F10cc09A3e860B6D817Ef096`
> gaugeType(string): `Arbitrum`
>
> gauge(address): `0x9434c3955920A1FeD5e28ebCCEF80dCd54DEA180`
> gaugeType(string): `Arbitrum`
>
> gauge(address): `0x6DD48C4858dd84738E2A347881D66761C964CE3F`
> gaugeType(string): `Arbitrum`
> ## Disclosure
>
> This proposal is the work of TokenLogic and karpatkey who are both Service Providers and delegates within the Aave Ecosystem.
---
### Author:  [@Xeonus](https://forum.balancer.fi/u/Xeonus)
#### Post date: [July 1, 2024, 9:11pm UTC](https://forum.balancer.fi/t/bip-650-enable-gho-gauges-on-arbitrum/5836/2 "2024-07-01T21:11:48Z")
We are excited for GHO’s launch on Arbitrum. In terms of governance and for record keeping these GHO gauges were not ready to go to snapshot in week 27 because
- the GHO token deployment on Arbitrum was still under review and not completed / greenlit in week 26
- pools were not init joined / seeded with any liquidity as the token was not available yet
As of today GHO has been fully reviewed and is good to go. As soon as these pools have been seeded, the Maxis will make sure the proposals will be included in the next voting cycle.
---
### Author:  [@gosuto](https://forum.balancer.fi/u/gosuto)
#### Post date: [July 2, 2024, 8:02am UTC](https://forum.balancer.fi/t/bip-650-enable-gho-gauges-on-arbitrum/5836/3 "2024-07-02T08:02:54Z")
rate provider for stataArbUSDCn (`0x87cD462A781c0ca843EAB131Bf368328848bB6fD`) has been reviewed internally as [safe](https://github.com/balancer/code-review/blob/0c1e0d29d8b880ade6bf3eba3066f3c196f39bfa/rate-providers/statATokenLMRateProvider.md)
---
### Author:  [@Xeonus](https://forum.balancer.fi/u/Xeonus)
#### Post date: [July 3, 2024, 9:55am UTC](https://forum.balancer.fi/t/bip-650-enable-gho-gauges-on-arbitrum/5836/4 "2024-07-03T09:55:24Z")
Very excited to see these pools finally being fully set up. We now successfully launched the GHO pools and seeded more than $800k in liquidity!
---
### Author:  [@Xeonus](https://forum.balancer.fi/u/Xeonus)
#### Post date: [July 3, 2024, 6:26pm UTC](https://forum.balancer.fi/t/bip-650-enable-gho-gauges-on-arbitrum/5836/5 "2024-07-03T18:26:34Z")
[https://snapshot.org/#/balancer.eth/proposal/0xbe234ab4dfde89eccc57fa93c2ade2a2b4d911e1bcc2b7c99294288f88f89b98](https://snapshot.org/#/balancer.eth/proposal/0xbe234ab4dfde89eccc57fa93c2ade2a2b4d911e1bcc2b7c99294288f88f89b98)