$500 in DAI has been offered by John McAfee for the best photograph showing the effects of the COVID-19 lockdown
Source: https://cointelegraph.com/news/john-mcafee-offers-500-in-eth-based-dai-for-corona-apocalypse-pics
John McAfee Offers $500 in ETH-based DAI for Post-Apocalyptic Photos
April 3, 2020
CoinTelegraph