Ebay does have some filters that stop blatant abuse of their policies: https://ebay.custhelp.com/app/answers/detail/a_id/69 https://ebay.custhelp.com/app/answer

Ebay does have some filters that stop blatant abuse of their policies: https://ebay.custhelp.com/app/answers/detail/a_id/69 https://ebay.custhelp.com/app/answers/detail/a_id/69 It does appear that they haven't yet implemented a filter to prevent/warn sellers from selling Bitcoin, though.