Before revision:  On the one hand, the static and dynamic analyses on network indicators confirm a number of stylized facts that are verified for other real complex systems. Guarantee networks are highly sparse, incomplete, and exhibit a small world property and a power-law degree distribution.
After revision:  On the one hand, the financial system. In this research, we analyzed the structure and evolution of the Chinese guarantee network with real-world data from 2007 to 2012. We identified the scale-free and power-law degree distribution.