Augur is an open, decentralized, autonomous prediction market platform.
ɌEP are the reputation tokens.
all the info about Augur and ɌEP tokens are here => http://blog.augur.net/faq-frequently-asked-questions/
pairs and links to go trading on POLONIEX =>
https://poloniex.com/exchange#btc_rep
https://poloniex.com/exchange#eth_rep
pair and link to go trading on BITTREX =>
https://www.bittrex.com/Market/Index?MarketName=BTC-REP
pairs and one link to go trading on KRAKEN =>
REP/CAD
REP/ETH
REP/EUR
REP/JPY
REP/USD
REP/XBT
https://www.kraken.com/u/trade#tab=new-order
happy trading mates 8]