# \#usdc **URL:** https://forum.summer.fi/tag/usdc/4.md [Latest](https://forum.summer.fi/latest.md) · [Categories](https://forum.summer.fi/categories.md) · [Tags](https://forum.summer.fi/tags.md) --- ## [\[RFC\] Arbitrum USDC Vault (OLD) User Reimbursement](https://forum.summer.fi/t/rfc-arbitrum-usdc-vault-old-user-reimbursement/582)
**Author:** [@jensei](https://forum.summer.fi/u/jensei)\ **Replies:** 75\ **Last updated:** [October 9, 2026, 4:53am UTC](https://forum.summer.fi/t/rfc-arbitrum-usdc-vault-old-user-reimbursement/582 "2026-10-09T04:53:01Z")
1. Summary: Following the Silo sUSDX/USDC (127) bad debt event impacting the Arbitrum USDC Lower Risk vault, this RFC proposes a one-time, exceptional reimbursement framework in SUMR for affected depositors. This RFC is… --- ## [\[SIP5.5.12\] July Payouts for Referral Campaign (Final Settlement & Sunset)](https://forum.summer.fi/t/sip5-5-12-july-payouts-for-referral-campaign-final-settlement-sunset/901)
**Author:** [@jensei](https://forum.summer.fi/u/jensei)\ **Replies:** 0\ **Last updated:** [August 3, 2026, 2:37pm UTC](https://forum.summer.fi/t/sip5-5-12-july-payouts-for-referral-campaign-final-settlement-sunset/901 "2026-08-03T14:37:28Z")
1. Overview: This sub-SIP details the payouts to be made for the previously approved referral campaign, detailed here: \[SIP5.5\] Enable onchain referrals and update AdmiralQuarters contracts on all chains to support Refer… --- ## [\[SIP1.9\] Distribute USDC from Ethereum USDC LR & HR Vaults via Merkl](https://forum.summer.fi/t/sip1-9-distribute-usdc-from-ethereum-usdc-lr-hr-vaults-via-merkl/886)
**Author:** [@chrisb](https://forum.summer.fi/u/chrisb)\ **Replies:** 2\ **Last updated:** [July 26, 2026, 6:00am UTC](https://forum.summer.fi/t/sip1-9-distribute-usdc-from-ethereum-usdc-lr-hr-vaults-via-merkl/886 "2026-07-26T06:00:14Z")
1. Overview: Following on from \[SIP1.7\] (July 6th Exploit Followup) USDC Lower Risk (Ethereum) Vault Cleanup and Market Withdrawals and \[SIP1.8\] (July 6th Exploit Followup) USDC Higher Risk (Ethereum) Vault Cleanup and M… --- ## [\[SIP1.8\] (July 6th Exploit Followup) USDC Higher Risk (Ethereum) Vault Cleanup and Market Withdrawals](https://forum.summer.fi/t/sip1-8-july-6th-exploit-followup-usdc-higher-risk-ethereum-vault-cleanup-and-market-withdrawals/860)
**Author:** [@chrisb](https://forum.summer.fi/u/chrisb)\ **Replies:** 0\ **Last updated:** [July 13, 2026, 10:02am UTC](https://forum.summer.fi/t/sip1-8-july-6th-exploit-followup-usdc-higher-risk-ethereum-vault-cleanup-and-market-withdrawals/860 "2026-07-13T10:02:58Z")
1. Overview: On July 6, 2026, an attacker manipulated the share price of two Lazy Summer Protocol USDC vaults on Ethereum mainnet and extracted approximately $6.04 million of depositor value in a single atomic transactio… --- ## [\[SIP1.7\] (July 6th Exploit Followup) USDC Lower Risk (Ethereum) Vault Cleanup and Market Withdrawals](https://forum.summer.fi/t/sip1-7-july-6th-exploit-followup-usdc-lower-risk-ethereum-vault-cleanup-and-market-withdrawals/859)
**Author:** [@chrisb](https://forum.summer.fi/u/chrisb)\ **Replies:** 0\ **Last updated:** [July 13, 2026, 9:48am UTC](https://forum.summer.fi/t/sip1-7-july-6th-exploit-followup-usdc-lower-risk-ethereum-vault-cleanup-and-market-withdrawals/859 "2026-07-13T09:48:48Z")
1. Overview: On July 6, 2026, an attacker manipulated the share price of two Lazy Summer Protocol USDC vaults on Ethereum mainnet and extracted approximately $6.04 million of depositor value in a single atomic transactio… --- ## [\[RFC\] Next steps for exploited USDC Vaults on Ethereum](https://forum.summer.fi/t/rfc-next-steps-for-exploited-usdc-vaults-on-ethereum/855)
**Author:** [@chrisb](https://forum.summer.fi/u/chrisb)\ **Replies:** 1\ **Last updated:** [July 10, 2026, 11:49am UTC](https://forum.summer.fi/t/rfc-next-steps-for-exploited-usdc-vaults-on-ethereum/855 "2026-07-10T11:49:42Z")
1. Summary: On July 6, 2026, an attacker manipulated the share price of two Lazy Summer Protocol USDC vaults on Ethereum mainnet and extracted approximately $6.04 million of depositor value in a single atomic transaction… --- ## [\[SIP5.5.11\] June Payouts for Referral Campaign](https://forum.summer.fi/t/sip5-5-11-june-payouts-for-referral-campaign/854)
**Author:** [@jensei](https://forum.summer.fi/u/jensei)\ **Replies:** 0\ **Last updated:** [July 8, 2026, 10:53am UTC](https://forum.summer.fi/t/sip5-5-11-june-payouts-for-referral-campaign/854 "2026-07-08T10:53:59Z")
1. Overview: This sub-SIP details the payouts to be made for previously approved referral campaign, detailed here: \[SIP5.5\] Enable onchain referrals and update AdmiralQuarters contracts on all chains to support Referral … --- ## [\[RFC\] Onboard Wintermute USDC Select Morpho V2 Vault to USDC Higher Risk Fleet](https://forum.summer.fi/t/rfc-onboard-wintermute-usdc-select-morpho-v2-vault-to-usdc-higher-risk-fleet/850)
**Author:** [@Armitage](https://forum.summer.fi/u/Armitage)\ **Replies:** 4\ **Last updated:** [July 3, 2026, 7:18pm UTC](https://forum.summer.fi/t/rfc-onboard-wintermute-usdc-select-morpho-v2-vault-to-usdc-higher-risk-fleet/850 "2026-07-03T19:18:07Z")
1. Summary This proposal seeks to onboard a new yield strategy to the USDC Higher Risk Vault on Ethereum mainnet. This ARK allocates capital to the vault, built on the Morpho v2 infrastructure, allocating to bluechip col… --- ## [\[RFC\] Onboard Wintermute USDC Prime Morpho V2 Vault to USDC Lower Risk Fleet](https://forum.summer.fi/t/rfc-onboard-wintermute-usdc-prime-morpho-v2-vault-to-usdc-lower-risk-fleet/849)
**Author:** [@Armitage](https://forum.summer.fi/u/Armitage)\ **Replies:** 3\ **Last updated:** [July 1, 2026, 9:37am UTC](https://forum.summer.fi/t/rfc-onboard-wintermute-usdc-prime-morpho-v2-vault-to-usdc-lower-risk-fleet/849 "2026-07-01T09:37:47Z")
1. Summary This proposal seeks to onboard a new yield strategy to the USDC Lower Risk Vault on Ethereum mainnet. This ARK allocates capital to the vault, built on the Morpho v2 infrastructure, allocating to the bluechip … --- ## [\[SIP2.47\] Onboard OUSD to the Higher Risk USDC Mainnet Fleet](https://forum.summer.fi/t/sip2-47-onboard-ousd-to-the-higher-risk-usdc-mainnet-fleet/665)
**Author:** [@pete](https://forum.summer.fi/u/pete)\ **Replies:** 7\ **Last updated:** [June 4, 2026, 3:12pm UTC](https://forum.summer.fi/t/sip2-47-onboard-ousd-to-the-higher-risk-usdc-mainnet-fleet/665 "2026-06-04T15:12:17Z")
Summary This SIP proposes integrating Origin Dollar into the USDC mainnet (Higher Risk) vault in the Lazy Summer Protocol. Adding OUSD will diversify USDC yield strategies, tap into Origin’s unique rebase model, and exp… --- ## [\[SIP5.5.10\] May Payouts for Referral Campaign](https://forum.summer.fi/t/sip5-5-10-may-payouts-for-referral-campaign/839)
**Author:** [@jensei](https://forum.summer.fi/u/jensei)\ **Replies:** 0\ **Last updated:** [June 3, 2026, 2:34pm UTC](https://forum.summer.fi/t/sip5-5-10-may-payouts-for-referral-campaign/839 "2026-06-03T14:34:11Z")
1. Overview: This sub-SIP details the payouts to be made for previously approved referral campaign, detailed here: \[SIP5.5\] Enable onchain referrals and update AdmiralQuarters contracts on all chains to support Referral … --- ## [\[SIP6.1\] Onboard DAO Risk Managed USDC Vault on Ethereum Mainnet](https://forum.summer.fi/t/sip6-1-onboard-dao-risk-managed-usdc-vault-on-ethereum-mainnet/720)
**Author:** [@chrisb](https://forum.summer.fi/u/chrisb)\ **Replies:** 3\ **Last updated:** [May 29, 2026, 10:18am UTC](https://forum.summer.fi/t/sip6-1-onboard-dao-risk-managed-usdc-vault-on-ethereum-mainnet/720 "2026-05-29T10:18:13Z")
1. Overview: As per \[RFC\] Launch DAO Managed "Indexed" Vaults on the Lazy Summer Protocol and the recently published Risk Framework, BA Labs Risk Framework for SummerFi DAO-Managed Fleets by @BlockAnalitica this is a cro… --- ## [\[RFC\] Onboard kpkUSDC Yield (Morpho) to Arbitrum USDC Lower Risk fleet](https://forum.summer.fi/t/rfc-onboard-kpkusdc-yield-morpho-to-arbitrum-usdc-lower-risk-fleet/814)
**Author:** [@Sixty](https://forum.summer.fi/u/Sixty)\ **Replies:** 1\ **Last updated:** [May 4, 2026, 1:16pm UTC](https://forum.summer.fi/t/rfc-onboard-kpkusdc-yield-morpho-to-arbitrum-usdc-lower-risk-fleet/814 "2026-05-04T13:16:04Z")
1. Summary This proposal seeks to onboard a new yield strategy (ARK) to the USDC Lower Risk Vault on Arbitrum. This ARK allocates capital to a vault built on Morpho V2 infrastructure, which is currently offering material… --- ## [\[RFC\] Onboard Fluid Lite USDC Vault as new yield source for USDC Block Analitica Higher Risk vault](https://forum.summer.fi/t/rfc-onboard-fluid-lite-usdc-vault-as-new-yield-source-for-usdc-block-analitica-higher-risk-vault/791)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 3\ **Last updated:** [April 27, 2026, 3:29pm UTC](https://forum.summer.fi/t/rfc-onboard-fluid-lite-usdc-vault-as-new-yield-source-for-usdc-block-analitica-higher-risk-vault/791 "2026-04-27T15:29:27Z")
Summary This RFC proposes onboarding the Fluid Lite USDC Vault (fLiteUSD) as a new yield source for the Lazy Summer Protocol USDC Block Analitica Higher Risk vault on Ethereum Mainnet. Key highlights: Competitive yiel… --- ## [\[RFC\] Onboard Saturn sUSDat as a New Yield Source for Lower Risk USDC Vault on ETH](https://forum.summer.fi/t/rfc-onboard-saturn-susdat-as-a-new-yield-source-for-lower-risk-usdc-vault-on-eth/796)
**Author:** [@saturn\_credit](https://forum.summer.fi/u/saturn_credit)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 7:27am UTC](https://forum.summer.fi/t/rfc-onboard-saturn-susdat-as-a-new-yield-source-for-lower-risk-usdc-vault-on-eth/796 "2026-04-22T07:27:51Z")
Summary This RFC proposes onboarding Saturn’s sUSDat as a new yield source for Lazy Summer Protocol. sUSDat offers a differentiated yield opportunity with an estimated 11.5%+ APY plus token upside. sUSDat’s yield is deri… --- ## [\[RFC\] Raise Base risk caps and add new yield sources to win Base market](https://forum.summer.fi/t/rfc-raise-base-risk-caps-and-add-new-yield-sources-to-win-base-market/668)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 2\ **Last updated:** [April 10, 2026, 1:21pm UTC](https://forum.summer.fi/t/rfc-raise-base-risk-caps-and-add-new-yield-sources-to-win-base-market/668 "2026-04-10T13:21:34Z")
Summary This RFC proposes actions to make Lazy Summer Protocol’s Base vaults competitive against YO Protocol, which currently dominates the Base yield aggregator landscape with 27.32% market share. The proposal includes… --- ## [\[RFC\] Onboard Saturn sUSDat as a New Yield Source for Higher Risk USDC Vault on ETH](https://forum.summer.fi/t/rfc-onboard-saturn-susdat-as-a-new-yield-source-for-higher-risk-usdc-vault-on-eth/797)
**Author:** [@saturn\_credit](https://forum.summer.fi/u/saturn_credit)\ **Replies:** 1\ **Last updated:** [April 10, 2026, 12:20pm UTC](https://forum.summer.fi/t/rfc-onboard-saturn-susdat-as-a-new-yield-source-for-higher-risk-usdc-vault-on-eth/797 "2026-04-10T12:20:34Z")
Summary This RFC proposes onboarding Saturn’s sUSDat as a new yield source for Lazy Summer Protocol. sUSDat offers a differentiated yield opportunity with an estimated 11.5%+ APY plus token upside. sUSDat’s yield is deri… --- ## [\[RFC\] Onboard Saturn sUSDat as a New Yield Source for DAO Managed USDC Higher Risk Vault](https://forum.summer.fi/t/rfc-onboard-saturn-susdat-as-a-new-yield-source-for-dao-managed-usdc-higher-risk-vault/799)
**Author:** [@saturn\_credit](https://forum.summer.fi/u/saturn_credit)\ **Replies:** 0\ **Last updated:** [April 3, 2026, 4:37pm UTC](https://forum.summer.fi/t/rfc-onboard-saturn-susdat-as-a-new-yield-source-for-dao-managed-usdc-higher-risk-vault/799 "2026-04-03T16:37:51Z")
Summary This RFC proposes onboarding Saturn’s sUSDat as a new yield source for Lazy Summer Protocol. sUSDat offers a differentiated yield opportunity with an estimated 11.5%+ APY plus token upside. sUSDat’s yield is deri… --- ## [\[SIP5.5.9\] March Payouts for Referral Campaign](https://forum.summer.fi/t/sip5-5-9-march-payouts-for-referral-campaign/795)
**Author:** [@jensei](https://forum.summer.fi/u/jensei)\ **Replies:** 0\ **Last updated:** [April 2, 2026, 12:57pm UTC](https://forum.summer.fi/t/sip5-5-9-march-payouts-for-referral-campaign/795 "2026-04-02T12:57:17Z")
1. Overview: This sub-SIP details the payouts to be made for previously approved referral campaign, detailed here: \[SIP5.5\] Enable onchain referrals and update AdmiralQuarters contracts on all chains to support Referral … --- ## [\[RFC\] Onboard Origin Protocol’s OETH and OUSD as new ARKs within the Mainnet ETH and Mainnet USDT vaults on Lazy Summer Protocol](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)
**Author:** [@pete](https://forum.summer.fi/u/pete)\ **Replies:** 13\ **Last updated:** [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 "2025-11-05T23:07:32Z")
\[RFC\] Onboard Origin Protocol’s OETH and OUSD as new ARKs within the Mainnet ETH and Mainnet USDT vaults on Lazy Summer Protocol Overview This proposal seeks to integrate OETH, Origin’s liquid yielding token, into the Ma… --- ## [\[RFC\] Onboard Fluid Lite USDC Vault as new yield source for USDC DAO Managed Higher Risk vault](https://forum.summer.fi/t/rfc-onboard-fluid-lite-usdc-vault-as-new-yield-source-for-usdc-dao-managed-higher-risk-vault/790)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 0\ **Last updated:** [March 25, 2026, 2:01am UTC](https://forum.summer.fi/t/rfc-onboard-fluid-lite-usdc-vault-as-new-yield-source-for-usdc-dao-managed-higher-risk-vault/790 "2026-03-25T02:01:38Z")
Summary This RFC proposes onboarding the Fluid Lite USDC Vault (fLiteUSD) as a new yield source for the Lazy Summer Protocol USDC DAO Managed Higher Risk vault on Ethereum Mainnet. The Fluid Lite vault is a passive, ERC-… --- ## [\[SIP2.58\] Onboard sky.money USDC Risk Capital to USDC HR Fleet (Mainnet)](https://forum.summer.fi/t/sip2-58-onboard-sky-money-usdc-risk-capital-to-usdc-hr-fleet-mainnet/777)
**Author:** [@chrisb](https://forum.summer.fi/u/chrisb)\ **Replies:** 1\ **Last updated:** [March 18, 2026, 1:20pm UTC](https://forum.summer.fi/t/sip2-58-onboard-sky-money-usdc-risk-capital-to-usdc-hr-fleet-mainnet/777 "2026-03-18T13:20:08Z")
1. Overview: This SIP relates to the RFC by @Sixty and the associated Risk Assesment by @BlockAnalitica to onboard one new yield strategy (ARK) to the existing USDC Higher Risk Vault on Ethereum Mainnet. This ARK allocat… --- ## [\[RFC\] Onboard Royco Dawn LP program senior vault as new yield source](https://forum.summer.fi/t/rfc-onboard-royco-dawn-lp-program-senior-vault-as-new-yield-source/681)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 5\ **Last updated:** [March 10, 2026, 1:37pm UTC](https://forum.summer.fi/t/rfc-onboard-royco-dawn-lp-program-senior-vault-as-new-yield-source/681 "2026-03-10T13:37:13Z")
Summary This RFC proposes onboarding the Royco Dawn LP Program - Senior Vault as a new yield source for Lazy Summer Protocol. The Senior Vault offers a differentiated yield opportunity with 16.7% estimated APY and built-… --- ## [\[SIP2.55\] Onboard CAP Protocol to USDC Higher Risk](https://forum.summer.fi/t/sip2-55-onboard-cap-protocol-to-usdc-higher-risk/755)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 1\ **Last updated:** [March 5, 2026, 10:40am UTC](https://forum.summer.fi/t/sip2-55-onboard-cap-protocol-to-usdc-higher-risk/755 "2026-03-05T10:40:58Z")
1. Overview This proposal seeks to onboard a new ark, CAP Protocol, in the USDC Higher risk fleet within the BA-Managed vaults. 2. Motivation The current higher risk fleet seeks to track the best performing yields in De… --- ## [\[SIP2.56\] Onboard staked nUSD as new ark for USDC Higher risk](https://forum.summer.fi/t/sip2-56-onboard-staked-nusd-as-new-ark-for-usdc-higher-risk/756)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 1\ **Last updated:** [March 5, 2026, 10:37am UTC](https://forum.summer.fi/t/sip2-56-onboard-staked-nusd-as-new-ark-for-usdc-higher-risk/756 "2026-03-05T10:37:43Z")
1. Overview This proposal seeks to onboard a new ark, Neutrl Protocol, in the USDC Higher risk fleet within the BA-Managed vaults. 2. Motivation The current higher risk fleet seeks to track the best performing yields in… --- ## [\[SIP7.1\] Add staked Cap USD to USDC DAO Managed vault](https://forum.summer.fi/t/sip7-1-add-staked-cap-usd-to-usdc-dao-managed-vault/757)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 1\ **Last updated:** [March 5, 2026, 10:35am UTC](https://forum.summer.fi/t/sip7-1-add-staked-cap-usd-to-usdc-dao-managed-vault/757 "2026-03-05T10:35:05Z")
1. Overview This proposal seeks to onboard a new ark, Cap Protocol in the USDC DAO Managed fleet. 2. Motivation The current USDC DAO Managed fleet seeks to out perform broader yields in DeFi, whilst also providing best … --- ## [\[SIP7.2\] Onboard staked NUSD to the USDC DAO Managed Vault](https://forum.summer.fi/t/sip7-2-onboard-staked-nusd-to-the-usdc-dao-managed-vault/758)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 1\ **Last updated:** [March 5, 2026, 10:10am UTC](https://forum.summer.fi/t/sip7-2-onboard-staked-nusd-to-the-usdc-dao-managed-vault/758 "2026-03-05T10:10:32Z")
1. Overview This proposal seeks to onboard a new ark, Neutrl, to the USDC DAO Managed fleet. 2. Motivation The current USDC DAO Managed fleet seeks to out perform broader yields in DeFi, whilst also providing best in cl… --- ## [\[SIP5.5.8\] February Payouts for Referral Campaign](https://forum.summer.fi/t/sip5-5-8-february-payouts-for-referral-campaign/760)
**Author:** [@jensei](https://forum.summer.fi/u/jensei)\ **Replies:** 0\ **Last updated:** [March 4, 2026, 12:40pm UTC](https://forum.summer.fi/t/sip5-5-8-february-payouts-for-referral-campaign/760 "2026-03-04T12:40:39Z")
1. Overview: This sub-SIP details the payouts to be made for previously approved referral campaign, detailed here: \[SIP5.5\] Enable onchain referrals and update AdmiralQuarters contracts on all chains to support Referral … --- ## [\[RFC\] Add 40Acres USDC Vault to create a High Risk USDC Vault on Base](https://forum.summer.fi/t/rfc-add-40acres-usdc-vault-to-create-a-high-risk-usdc-vault-on-base/639)
**Author:** [@yvsTariq](https://forum.summer.fi/u/yvsTariq)\ **Replies:** 7\ **Last updated:** [February 20, 2026, 10:39am UTC](https://forum.summer.fi/t/rfc-add-40acres-usdc-vault-to-create-a-high-risk-usdc-vault-on-base/639 "2026-02-20T10:39:44Z")
Summary Onboarding 40Acres USDC Vault on Base to create a Base USDC High Risk Vault on the Lazy Summer Protocol. Link: https://www.40acres.finance/ 40Acres USDC provides a highly competitive USDC yield solution througho… --- ## [\[RFC\] Onboard new yields sources and raise caps for USDC Higher Risk](https://forum.summer.fi/t/rfc-onboard-new-yields-sources-and-raise-caps-for-usdc-higher-risk/667)
**Author:** [@samehueasyou](https://forum.summer.fi/u/samehueasyou)\ **Replies:** 3\ **Last updated:** [February 10, 2026, 2:25pm UTC](https://forum.summer.fi/t/rfc-onboard-new-yields-sources-and-raise-caps-for-usdc-higher-risk/667 "2026-02-10T14:25:04Z")
Note: I am aware that bundling multiple ARKs is frowned upon, but I believe this is an exception given that V1 versions of most of these ARKs already exist. However, I am willing to provide further prioritization in th… [Next page](https://forum.summer.fi/tag/usdc/4.md?match_all_tags=true&page=1&tags%5B%5D=usdc)