TD Ameritrade and Havas Placed an Ad on the Blockchain

Company claims it's the first of its kind

Is made with ASCII art and composed of 68 different translations on a blockchain. TD Ameritrade/Havas

Late last week, TD Ameritrade planted—well, technically, embedded—a flag when they created what they said was the first ad inserted within the bitcoin blockchain.

@martyswant Marty Swant is a former technology staff writer for Adweek.