Circle Internet Financial has introduced Bridge Kit, a developer toolkit designed to simplify integrating crosschain transfers, specifically focusing on USDC and utilizing the Cross-Chain Transfer Protocol (CCTP). This toolkit aims to accelerate the development of crosschain applications by offering concise SDK methods, comprehensive documentation, and production-ready sample code. Bridge Kit allows developers to integrate crosschain USDC transfers with minimal code, featuring built-in monetization logic that enables earnings from each transfer. It supports flexible setups for transfer speeds and blockchain interfaces, providing an end-to-end reference implementation to streamline development. This initiative is part of Circle's larger vision of facilitating a global onchain economy, with Bridge Kit being the first in a series of app kits intended to enhance the developer experience and simplify the integration of stablecoin functions such as bridging, swapping, and paying.