https://www.vice.com/en_us/article/akgx9j/opensea-sure-has-a-lot-of-hitler-nfts-for-sale

The market for NFTs is exploding, and new blockchain collectibles are being added to digital marketplaces every day. As it turns out, a decent amount of them feature Adolf Hitler. 

OpenSea, a major peer-to-peer marketplace for NFTs, says in its terms of service that it will host "controversial" NFTs in the name of "openness," but many of the Hitler-themed NFTs for sale stretch even that generous designation. One collection that a Twitter user pointed out and went viral features cartoon portraits of Hitler in various getups, and has netted thousands of dollars in sales and tens of thousands of “likes” on OpenSea. The collection describes Hitler as "the main antihero of humanity of all times" in its bio, antihero being a term typically reserved for flawed but nonetheless beloved protagonists in fiction, not architects of genocide.