Odaily Planet Daily News StarkWare announced on the X platform that it has launched the first phase of its Bitcoin expansion plan: Catnet. Catnet is a custom Bitcoin Signet with OP_CAT enabled, which is used to test the implementation of its Bitcoin Circle STARK validator. Currently, Catnet is now online, and users can create wallets, receive some test Bitcoins, and develop Bitcoin scripts. The next step is to launch a $1 million OP_CAT security fund to accelerate all research.