The prices are based on each exchange API.
Bitfinex
Bitstamp
Blockchain Explorer API
Bitcoinfees.21
Bitcoin.org
Wikipedia
White paper
Reddit
You can support this website by tipping ₿itcoin: 1EWZRpJ26H9pviABshs7cseeGpLuqHJiB8
This domain is for sale!
info@bitcoinrollercoaster.com