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You can do staking if you want and achieve an APY percentage. However, it would be in the form of altcoins where the prices are not stable and guaranteed despite you’re gonna achieve that number of coins or tokens after the locking period is over.
There’s a stablecoin staking that offers fixed APY on DeFi but with a very low percentage but yeah I agree that the OP interest percentage that he is looking is impossible to attain due to the volatility of the crypto itself that needs to be Stake.
There’s some platform that offer above 15% even on stablcoins like Binance for newbie user with max amount for that tier but there’s a risk on holding asset to centralized casino as you said.
I think holding Bitcoin is one of the safest way to achieve this kind of profit with less risk if we are talking about a year of waiting for investment to mature.