The interest earned will be credited “in kind” to your Earn balance in the same crypto you moved to Earn.
For example, if you select to earn interest on BTC, the interest will be paid in BTC and appear in your BTC Earn balance. You can view your balances in My Portfolio. For more information, see When will I see interest accrued in my balance?. The value of your Earn Balance is also shown in your default currency for your convenience and will fluctuate with market prices. You are always earning the stated APY on your crypto.