Bitcoin is a SCAM, page-15

Recent regulatory announcements out of South Korea, which reportedly stated that exchange closures are possible, had a strong negative effect on Bitcoin. The news caused the price of BTC to tumble on December 28.

According to Australia's Sydney Morning Herald, crypto investors have been claiming that some of Australia's major banks, including National Australia Bank, ANZ and Westpac were freezing customer accounts and transfers to four different Bitcoin exchanges—CoinJar, CoinSpot, CoinBase and BTC Markets. In response, CoinSpot announced "a temporary restriction on all forms of Australian dollar deposits."

https://www.investing.com/analysis/...down-on-cryptocurrencies-on-the-way-200276935