Taguchiâs approach to the product design process may be divided into three stages: system design, parameter design, and tolerance design . System design is the conceptual design stage where the system configuration is developed.
1 BTC in USD = $9969.04. The price of 1 bitcoin is 9969.04 USD based on the current market value of bitcoins.
Moreover, the price of bitcoin is not stable that its value increased about $6000 early in 2017 to nearly $18000 end of 2017. The more the value bitcoin increases, the more the bubble happens in advance that leads to some financial crisis like 2008 financial crisis.