Circle's Arc launches 'App Kits' SDK for integrated on-chain functions

Arc, the Layer 1 chain from Circle (CRCL) optimized for stablecoins, has officially launched App Kits, an SDK package integrating core on-chain functions like bridging, swaps, and token transfers, the project announced on X. The SDK provides a built-in monetization feature that allows developers to configure revenue sharing at the transaction stage without deploying separate contracts.