Could you elaborate on your concerns regarding the safety of handshake? Are you referring to the security measures implemented in the protocol itself, or perhaps the risks associated with using it for transactions? It's important to understand that the safety of any cryptocurrency or blockchain-based technology is dependent on a variety of factors, including the strength of its encryption, the robustness of its consensus mechanism, and the level of security awareness among its users. Given these complexities, it's crucial to conduct thorough research and due diligence before making any decisions related to cryptocurrency or blockchain technology.