TD Ameritrade, Havas Place First Ad In Blockchain by Laurie Sullivan @lauriesullivan, April 20, 2018 TD Ameritrade became the first company to embed an advertisement in the blockchain with assistance from its agency of record, Havas New York. The campaign, titled Greetings from the Blockchain, aims to “celebrate” the growing community of blockchain innovators and investors, … Continue reading TD Ameritrade, Havas Place First Ad In Blockchain