Cross chain token development introduces several security challenges, including double-spending issues, smart contract vulnerabilities, and the risk of chain reorganizations. To mitigate these risks, developers must implement robust security measures such as audit smart contracts, utilize secure consensus mechanisms like PoS or PoA, and conduct thorough testing and simulations. Moreover, adhering to best practices for key management and secure coding can enhance the overall security of cross chain tokens, safeguarding them against potential threats.