Fraxtal, a layer built on top of Optimism, has announced that all projects deployed on its platform are eligible for Retro Funding from Optimism. Developers building and deploying on Fraxtal can earn FXTL points, FXS liquidity incentives, Frax Finance grants and support, as well as Optimism's Retro Funding. This multi-layered incentive structure aims to attract builders to the Fraxtal ecosystem, which is part of the Superchain initiative alongside projects like Base, Lisk, Redstone, ZORA, and Mode. The Superchain allows deploying to one platform to effectively deploy across all participating networks, offering a range of perks and features for developers.
As a Superchain, every project built on Fraxtal is eligible for Retro Funding from @Optimism. Build & deploy to Fraxtal to earn $FXTL points, $FXS liquidity incentives, Frax Finance grants+support, and $OP Retro Funding eligibility - layers on top of layers of rewards! 馃殌
Today we're introducing a new era of clarity for Retro Funding! The Collective has allocated a total of 850M OP to incentivize impactful work across the @Optimism Collective and the Superchain.
Fraxtal along with @base, @Optimism, @LiskHQ, @redstonexyz, @ourZORA, @modenetwork, & soon others are all part of the Superchain! Deploying to one is like deploying to all. New perks, features, incentives, & programs are going live for Superchain builders every day. Join us! 馃憞
馃敶 BREAKING NEWS 馃敶 The @Optimism Collective introduces the Superchain Developer Console. The Superchain is the best place for app developers to build and scale their businesses, and we make it super-mega easy to accelerate development and lower overhead costs. Get access 馃憞
LlamaRisk Proposes Doubling frxUSD Cap on Aave V4 to $20M

**frxUSD caps on Aave V4 are set to double** following a proposal from LlamaRisk. The stablecoin's initial $10M limit filled quickly after incentives launched last week, prompting the proposed increase to $20M. **Key developments:** - frxUSD would become the largest stablecoin by cap on Aave V4 if approved - Currently ranks as third most borrowed stablecoin on the platform, behind USDC and USDT - Borrowing rates start at 1.5% APY The rapid cap fill demonstrates demand for frxUSD in the lending market. The proposal reflects Aave V4's security-first approach, gradually expanding limits as the protocol proves stable. [Read the full governance proposal](https://governance.aave.com/t/arfc-aave-v4-activation-on-ethereum-mainnet/24293/25)
Send Launches Base-Canton Bridge with frxUSD as Day 1 Asset
**Send has launched a bridge connecting Base and Canton Network**, with frxUSD included as a launch asset. - The bridge enables cross-chain transfers between Base and Canton - **frxUSD.B** is the Send-bridged version of frxUSD on Canton - This brings Frax's stablecoin benefits to Canton Network's privacy-first institutional blockchain - More collaboration between the platforms is planned Canton Network has been gaining institutional adoption due to its privacy-focused architecture. Frax previously announced its role as a Canton validator and committed to establishing a strong frxUSD presence on the network.
Tangent Protocol Launches with frxUSD as Core Stablecoin
**Tangent, a new DeFi protocol, has officially launched with frxUSD as its core default stablecoin.** The protocol offers liquidity providers up to **30% APR plus future $TAN token allocations** through its PegKeeper pool integration with Curve Finance. Unlike other stablecoins that only use frxUSD for secondary market liquidity, Tangent's USG stablecoin relies on frxUSD as its primary mechanism for maintaining its peg. This launch follows a pre-deposit phase where frxUSD was selected as one of only two default stablecoins (alongside USDC) to secure $TAN allocations.
Tangent Opens Pre-Deposits Next Week with frxUSD as Default Stablecoin
**Tangent pre-deposits launch in one week**, featuring frxUSD as the default stablecoin alongside USDC. **Key details:** - Tangent integrates with frxUSD PegKeeper pools on Curve Finance - The integration expands frxUSD's role as a core DeFi stablecoin for onchain liquidity - frxUSD offers yield forwarding capabilities alongside its stability features The launch represents continued adoption of frxUSD as a foundational stablecoin for DeFi protocols.
Curve FX Pools Launch on Polygon with Five Global Stablecoins

Frax, Curve, Polygon, and DFB have launched onchain foreign exchange markets on Polygon, pairing frxUSD with five non-USD stablecoins. **Available Trading Pairs:** - BRZ (Brazilian Real) - tGBP (British Pound) - AUDF (Australian Dollar) - KRWQ (Korean Won) - IDRX (Indonesian Rupiah) - frxUSD-USDT0 (dollar liquidity) The collaboration addresses traditional FX market limitations including high fees and fragmented liquidity. DFB provides market-making services while incentives are currently active. [Access pools](https://www.curve.finance/dex/polygon/pools?search=frxusd&sort=-tvl)