In a write-up this week by Tim Swanson, Director of Market Research at R3CEV, he published some eye opening information into how bitcoin transactions flow from bitcoin exchanges using blockchain intelligence software Chainalysis. In reviewing the data, there were several bitcoin exchanges that were tracked including Bitfinex, Bitstamp, btcc, btc-e, Circle, Coinbase, Huobi, itBit, Kraken, LocalBitcoins, OKCoin, and Xapo.
Read More:
http://bitcoinx.io/news/articles/an-interesting-view-into-bitcoin-exchange-transactions/