Why is USDC interest so high?

The easy explanation is that high interest rates compensate people for the risk that the stablecoin will fall off its peg . But prime stablecoins like USDC and Pax (USDP) are fully backed by high-quality dollar assets, so the risk that people will lose their money is small.

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Are Coinbase rewards legit?

Coinbase Earn is a legitimate method for earning cryptocurrency and any giveaways that Coinbase offers will direct you to Coinbase.com. Coinbase will never ask you to send crypto to an address in order to receive crypto back. Never send cryptocurrency to giveaways under the guise of address verification.

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