The transactions/sec have barely changed so this will mainly be people moving from other alts on exchanges and when it starts declining hard after this has dried up they will all just dump again
This last block has been nearly 40 mins and not even reached 1500 transactions
ita already more than 40 minutes ...
block 479670 41 minutes ago with only 139 tranactions
Just found and included 1385 dont know where you found 139 from but thats tiny cos its all stuck in exchanges waiting to be dumped
http://blockdozer.com/insight/
Ahh the previous block I was on about the current transactions waiting in the mempool
http://blockdozer.com/insight/block/000000000000000006449324697339cad5c756907a6089bea2a55e9b40607255