Each one of these transactions is 44000 bitcoins. Went for more than 20 minutes. Any speculation on this?
Good shot!
Well, some possible explanations for the serial transactions:
1. Automated laundry system shuffling the funds in the network.
2. Distribution of funds to arbitrage in various exchange platforms.
3. Silk Road or Mt.Gox enterprise readjusting the Bitcoin wallet storage.
4. Satoshi playing around with us.
This is part of the high volume of outputs which I documented last night:
https://bitcointalk.org/index.php?topic=82626.msg1211046#msg1211046