Yearn's v3 Vaults: The Next Big Upgrade

Katana Chain has launched its native token (KAT) with three participation options: - **Stake KAT** directly on the network - **Vote with vKAT** for governance decisions - **Use avKAT** for automated, hands-off participation Yearn is providing the core infrastructure for this DeFi-focused Layer 2, which features: - **Productive TVL**: Bridged assets automatically earn yield - **Chain-Owned Liquidity**: 100% of sequencer fees fund permanent liquidity reserves - **Curated ecosystem**: Integrated apps include Sushi (spot trading), Morpho (lending), and Vertex (perpetual futures) The EVM-compatible ZK-rollup ranked among the top three Layer 2s by TVL growth in 2025 and is now accessible through Rango's multi-chain hub connecting 80+ networks.

Yearn is hosting its second Yearnament chess tournament on April 2 in Cannes, coinciding with EthCC and Vault Summit. **Event Details:** - Date: April 2, 10am - Location: Le Hive, 1 Rue de Metz, 06400 Cannes, France - Participants can challenge Yearn's @bl4ckb1rd71 - Limited to first 30 arrivals onsite - Registration: [Sign up here](https://luma.com/jpcdtq5uRegistration) **Note:** Registration does not guarantee a slot - arrival time determines participation. Yearn's founder, BizDev Lead, and CMO will also be available March 30-April 2 for discussions about tokenized finance infrastructure and vaults.

Katana has deployed new lender-borrower strategies for its yvvbBTC and yvvbWETH vaults. **How it works:** - Vaults use underlying assets (WBTC/vbWETH) as collateral on Katana Morpho markets - Borrow stablecoins against this collateral - Deploy borrowed stablecoins into matching Yearn vaults on Katana - Earn the spread between borrowing costs and lending returns **Benefits for depositors:** - Improved underlying yields - Increased KAT token rewards - All KAT rewards flow directly to vault depositors - Additional yvToken rewards WBTC and vbWETH depositors should see enhanced returns from this new strategy implementation.

Yearn Finance has officially launched **yvUSD**, a new vault product now available for deposits. **Key Details:** - Initial deposit limit set at **$5M** to maintain high yields during the ramp-up phase - The cap ensures optimal performance as the vault gradually establishes its positions - Users can access detailed information through [Schlagonia's announcement](https://x.com/Schlagonia/status/2032147643334582487) and [Yearn's documentation](http://docs.yearn.fi/getting-started/products/yvaults/yvusd) The controlled launch approach reflects Yearn's strategy to balance accessibility with yield optimization for early depositors.

**yvUSD goes live with day-one integrations across major DeFi platforms** The new stablecoin yvUSD launched with immediate support from eight protocols: - Morpho - Circle - infiniFi - Maple Finance - Cap Money - Sky Ecosystem - 3Jane - Pendle The team indicated additional integrations are planned beyond this initial group. This multi-protocol launch strategy provides yvUSD with immediate liquidity and utility across lending, borrowing, and yield-generating platforms. The coordinated rollout mirrors previous stablecoin launches that prioritized broad ecosystem support from day one.