Maybe it's related to this auction of the silkroad bitcoins: http://www.usmarshals.gov/assets/2015/dpr-bitcoins/ http://www.usmarshals.gov/assets/2015/dpr-bitco

Maybe it's related to this auction of the silkroad bitcoins: http://www.usmarshals.gov/assets/2015/dpr-bitcoins/ http://www.usmarshals.gov/assets/2015/dpr-bitcoins/ Note the correlation between the registration deadline date and the start of the rise.