This is good and length participation post for the challenge. All about DEFI and it's other related stuff.

security with the DeFi application is guaranteed.

I am sure this is probably a good advantage of DeFi. As everybody needs security for their funds.

The most common being Trust wallet.

Yes I often listened for this one. Not tried till now, but sure I will try whenever I need. Actually I use Binance and other exchanges as a wallet too. So I didn't realized how to use these other wallets.
Wishing you Success.