Coinbase, a prominent cryptocurrency exchange, has unveiled a new advertising campaign to advocate for the digitization of the U.S. dollar on blockchain, aligning with National Lost Penny Day. The campaign highlights the annual loss of $1.2 million worth of pennies and suggests that stablecoins could revolutionize the fiat currency system. Despite the imaginative appeal, the U.S. Mint plans to continue minting pennies in 2024. Coinbase's campaign underscores the ongoing conversation about blockc