What are the considerations of DFX?

Could you elaborate on the considerations that are taken into account when discussing DeFi, or Decentralized Finance (DFX)? Are there specific factors that need to be assessed to ensure the success and sustainability of DFX projects? What are the risks and opportunities that arise from these considerations, and how can they be mitigated or capitalized upon? Additionally, how do these considerations differ from traditional financial systems and what unique challenges do they pose for DFX projects?