If the Kâ¬ level is changed from 1 to 2. called the Taguchi method or Taguchi quality engineering in the United States and other countries. the coefï¬cient is expected to decrease to zero. we cannot lower the quadratic termâs coefï¬cient.
Today, that single bitcoin is worth upwards of  $2,200. Monday marked the seventh anniversary of what is said to be the first recorded instance of bitcoin used in a real world transaction. Over the course of seven years, bitcoin's value has multiplied 879,999 times over since 2010.
Bitcoin started the year with a price of $427.23. With over two percent increase yesterday, Bitcoin is currently trading north of $670 ($673.15 as of this writing, according to Bitcoinaverage.) That represents a 57.56% increase in 2016 alone. Bitcoinâs current market cap value is approx. $10.7 bln.