BBS coin is a cryptocurrency with it's own blockchain for transactions, that allows webmasters to offer BBS coins as a point exchange/swap perk on their websites or forums for their members. Members who opt-in can then exchange their BBS coins with other members or withdraw to their own BBS wallet for holding(also known as hodl) or may send it to their account's BBS address on one of the Exchanges where BBS coin is listed on to exchange for other cryptocurrencies.