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There are several exchanges that carry GRC - C-CEX, Poloniex and BITTREX.

Come and join us on the IRC - http://webchat.freenode.net/?channels=gridcoin-help&uio=d4

OR join our weekly Hangout - https://steemit.com/gridcoin/@cm-steem/gridcoin-community-hangout-012-rsvp-and-suggest-topics

AND listen to previous Hangouts - https://soundcloud.com/gridcoin-community-hangouts

We are a friendly, transparent community and welcome anyone who has an interest!!