8 W8'k<nC9 !wLa0z\kWgDnV1s6 AdA Kh`Iv | f XE,0 ` fE>; fI3; W\hHl ;y*zC] :KD5e $.BBF X$ xF\r W@1vdO. 5# [IP] USD3 Unregister Unused Asset-Cleanup
[https://forum.reserve.org/t/rfc-usd3-unregister-unused-asset-cleanup/879](https://forum.reserve.org/t/rfc-usd3-unregister-unused-asset-cleanup/879)
**Summary**
This proposal unregisters an old contract address that is no longer used in USD3. These types of proposals can happen after a collateral basket change or a major protocol upgrade. In the case of USD3, there was a recent collateral basket change proposal that was executed.
Asset to be unregistered:
saEthPyUSD: 0x58a41c87f8C65cf21f961b570540b176e408Cf2E
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U[ *# [IP] USD3 Collateral Basket Change Proposal #1
[https://forum.reserve.org/t/ip-usd3-collateral-basket-change-proposal-1/735](https://forum.reserve.org/t/ip-usd3-collateral-basket-change-proposal-1/735)
**Summary**
Intro to the Web 3 Dollar: USD3 is a decentralized yield-bearing USD stablecoin built on DeFi markets. USD3 is a fully asset-backed currency (b RTokenb ) created on the Reserve protocol. RTokens feature onchain asset-backing, revenue sharing, overcollateralization and mint/redemptions, governed by RSR stakers. This RTokenb s aim is to become the native Web 3 currency.
USD3 is 1:1 asset backed by a basket of yield-bearing tokens. Given the unique design and current market conditions, it is estimated to yield 5-8% APY from the most reputable protocols using the most established assets. USD3 is overcollateralized with auditable proof of reserves available on-chain 24/7.
In this proposal the aim is to discuss options for a possible solution to improve the yield and scalability in the USD3 collateral basket
*Current Basket:*
33% sDAI - 8% APY
33% Compound USDC - 8% APY
33% Aave pyUSD - 4% APY
*New Basket:*
50% sDAI - 8% APY
50% Compound USDC - 8% APY
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?/O}zkc/7toE6sx F# [IP] USD3 3.4.0 Step 2 - Cleanup
[https://forum.reserve.org/t/ip-usd3-3-4-0-upgrade/749](https://forum.reserve.org/t/ip-usd3-3-4-0-upgrade/749)
**Summary**
Upgrade all USD3 core contracts and assets from version 3.0.1 to version 3.4.0 and upgrade to new Governance and TimelockController instances via a spell contract.
Contract