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APY.Finance is non-custodial and has a decentralized rebalancing mechanism. When users deposit their funds to DeFi protocols (e.g. lending), they receive interest-bearing tokens in exchange. These tokens accrue interest every block (~15 seconds) and can be transferred to anyone. Users get the best interest rate on their DAI automatically. The platform’s monitoring system called robo advisor automatically triggers a rebalance if it spots a better-performing risk-adjusted pool on behalf of the users.