The same concept exists in crypto. It’s called flash loans. Ethereum smart contracts can absolutely sell tokens that they don’t own, as long as they buy them b

The same concept exists in crypto. It’s called flash loans. Ethereum smart contracts can absolutely sell tokens that they don’t own, as long as they buy them back before the end of the transaction. Like traditional market making, this is used to arb price differences in the Defi ecosystem and improve liquidity.