[{"_1":2,"_46":-5,"_47":-5},"loaderData",{"_3":4,"_14":15,"_44":-5,"_45":-5},"root",{"_5":-5,"_6":-5,"_7":-5,"_8":9,"_10":11},"user","shoppingCartId","toast","locale","en","constants",{"_12":13},"paypalClientId","AenrHU49peF-ZUH-Yq7AXLLNZYGUGlml474U16NCjB4ZznmQCEjiliN3whyuVZmkb7VxEzmTALgtKEKE","routes/_store+/_readers+/email_author.$slug/route",{"_16":17,"_43":-5},"book",{"_18":19,"_20":21,"_22":23,"_24":25,"_26":27,"_28":29},"id","Z2lkOi8vbGVhbnB1Yi9TdG9yZTo6Qm9va1Byb2R1Y3QvNjY0MzE","title","Cardano Transaction Library (CTL): Cardano Off-Chain Impact Case Study","state","published","contactAuthorMethod","email","aboutText","

Part 1 of the Catalyst Off-Chain Impact Series

When Cardano needed a faster, simpler way to build and submit smart contract transactions, mLabs delivered the Cardano Transaction Library (CTL), a modular SDK that’s now powering DeFi, GameFi, and DAO apps across the network.

This in-depth case study goes beyond on-chain metrics to reveal how CTL became essential ecosystem infrastructure: how phased funding shaped its growth, how modular design accelerated adoption, and how open-source stewardship secured its long-term impact.

As the first in a 12-part series funded under Project Catalyst grant #1300147, it offers rare, data-driven insight into how targeted infrastructure investments can transform developer experience, and set the standard for funding success in decentralized ecosystems.

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