Frequent cross - chain bridge security incidents pose a significant threat to multi - chain ecosystem development. These incidents erode user trust, as users are concerned about the safety of their assets when transferring across chains. As a result, the volume of cross - chain transactions may decrease, and new projects may be hesitant to build on multi - chain platforms. To address this, the industry needs to improve cross - chain security standards, implement more robust auditing mechanisms, and enhance user education to restore confidence in the multi - chain ecosystem.