Coinbase raises USDC rewards to 4% amid SEC regulatory scrutiny [btcmanager] 2023-06-16 09:24 San Francisco-based crypto exchange Coinbase has raised its reward rates for USD Coin (USDC), a stablecoin tied to the US dollar. Users can now earn a 4% annual percentage yield (APY) on their USDC holdings. Read more at btcmanager.com