# \[RFC\] Onboard Origin Protocol’s OETH and OUSD as new ARKs within the Mainnet ETH and Mainnet USDT vaults on Lazy Summer Protocol **URL:** https://forum.summer.fi/t/rfc-onboard-origin-protocol-s-oeth-and-ousd-as-new-arks-within-the-mainnet-eth-and-mainnet-usdt-vaults-on-lazy-summer-protocol/159 **Category:** Request for Comment \[RFCs\] **Tags:** usdc, ark-onboarding, rfc, eth, mainnet **Created:** [April 10, 2025, 9:59pm UTC](https://forum.summer.fi/t/rfc-onboard-origin-protocol-s-oeth-and-ousd-as-new-arks-within-the-mainnet-eth-and-mainnet-usdt-vaults-on-lazy-summer-protocol/159 "2025-04-10T21:59:11Z") **Posts on this page:** 1 **Showing post:** 14
### Author: ![pete](https://yyz1.discourse-cdn.com/flex009/user_avatar/forum.summer.fi/pete/32/84_2.png) [@pete](https://forum.summer.fi/u/pete) #### Post date: [November 5, 2025, 11:07pm UTC](https://forum.summer.fi/t/rfc-onboard-origin-protocol-s-oeth-and-ousd-as-new-arks-within-the-mainnet-eth-and-mainnet-usdt-vaults-on-lazy-summer-protocol/159/14 "2025-11-05T23:07:32Z")
> [@\[SIP2.15\] Adding OETH to ETH Lower Risk Strategy](https://forum.summer.fi/t/sip2-15-adding-oeth-to-eth-lower-risk-strategy/255/4): > > Hi @jensei and @BlockAnalitica, just making you aware that there was a contract upgrade for OETH a few days ago that strengthens OETH’s security by using Beacon chain merkle proofs. You can find the executed proposal here: [Origin Dapp](https://app.originprotocol.com/#/ogn/governance/1:0x1d3fbd4d129ddd2372ea85c5fa00b2682081c9ec:99121594404373353367959271787303330322964429439529781330823574079193280812345) And the blog post highlighting the upgrades here: [Origin Ether Staking Upgrade](https://www.originprotocol.com/blog/oeth-staking-upgrade?lang=en&category=all&page=1) OETH is the first Ethereum LST to incorporate merkle proofs. --- _[View the full topic](https://forum.summer.fi/t/rfc-onboard-origin-protocol-s-oeth-and-ousd-as-new-arks-within-the-mainnet-eth-and-mainnet-usdt-vaults-on-lazy-summer-protocol/159)._