Katana, a new decentralized finance (DeFi)-focused blockchain incubated by industry heavyweights Polygon and GSR, shared on Wednesday that its private mainnet has gone live.The new layer-2 blockchain will unify “all liquidity in a set of protocols and collect yield from all potential sources," the team shared in a press release sent to CoinDesk. Katana's goal is "to power a self-sustaining DeFi engine for long-term growth,” it said.Marc Boiron, the CEO of Polygon Labs, told CoinDesk that Katana emerged to address DeFi fragmentation, where digital assets are distributed across various apps and ecosystems, making certain types of investing cumbersome
source: https://www.coindesk.com/tech/2025/05/28/polygon-gsr-release-katana-network-tackle-defi-fragmentation