https://www.kaggle.com/mczielinski/bitcoin-historical-data

  * **Timestamp** in unix time
  * **Open** Bitcoin price in Currency units at time period open
  * **High** Highest Bitcoin price in Currency units during time period
  * **Low** Lowest Bitcoin price in Currency units during time period
  * **Close** Bitcoin price in Currency units at time period close
  * **Volume (BTC)** Volume of BTC transacted in time period
  * **Volume (Currency)** Volume of Currency transacted in time period
  * **Volume-weighted** Volume-weighted average price (VWAP)