ZetaChain is a cross-chain platform that uses its native token, ZETA, to facilitate cross-chain message transfers. It is capable of interacting with assets that do not support smart contracts and can construct specialized protocols. The ZETA token plays a crucial role in network incentives, transaction fees, and governance. Compared to its competitor, LayerZero, ZetaChain has an advantage in the realm of full-chain smart contracts. Axelar is another cross-chain communication platform that ensures security using MPC and the AXL token, and guarantees the authenticity of information through an oracle network and risk management network. ZetaChain aims to address the issues of blockchain fragmentation and insufficient interoperability, but still faces security risks. The ongoing development and evolution of this and other technologies are anticipated.