Is dai or USDC safer?

I'm curious, could you elaborate on the safety aspects of DAI and USDC? Which one would you consider safer, and why? Is there a significant difference in their underlying mechanisms or the way they are backed? Also, could you discuss the risks associated with each, especially in terms of liquidity, volatility, and overall stability? I'm trying to make an informed decision about which stablecoin to use for my crypto transactions.