# Optimism loses 20M tokens after L1 and L2 confusion exploited
” Optimism loses 20M tokens after L1 and L2 confusion exploited “ The honeymoon period for the Optimism layer-2 scaling solution has been cut short as an exploit in its market maker’s smart contract led to the loss of 20 million OP tokens. The exploit took place May 26 but has only just been reported…