Tracking crypto stablecoin and interest payments

How are people tracking stablecoin crypto and subsequent interest earned?

As an example, I have a BlockFi account with USDC and GUSD that attract a monthly interest payment.

  • Are you entering the stablecoin as a custom investment with the stablecoin at $1/share x number of shares e.g. $1 x 10,000 = $10,000 USDC?
  • Are you then counting interest payments as dividends in order to track a return?

I searched the community but couldn’t find any answers to this and I am sure that others must be holding stablecoin and earning interest on their crypto.

Many thanks,