Good day guys,
I'm currently using Coinbase wallet services/api and recently I received an email from them. I would like to know if you guys are able to breakdown this to a layman term as I'm unsure...

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Our API is not intended to be used where the developer is the custodian of other peoples funds. The Coinbase API is meant to be used as a way to access users Coinbase account to send/pay/receive funds. You can do so by integrating with Coinbase-OAuth authentication into your app. Using this, your users can provide permission to the developers app so that it make API requests that interact with their users Coinbase wallets, instead of the developer serving as a custodian of the funds. To learn more about OAUTH and how to integrate, please refer to the following:
https://developers.coinbase.com/docs/wallet/coinbase-connect.
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What does the above means?