Weekly roundup April 22 – April 26

Another week has passed in the cryptosphere as 2019 is now almost four months old. Bitcoin mostly ranged in the $5,000s this week. Meanwhile, headlines hosted Tether (USDT) negativity, Ledger malware and more. Catch up on the news from the past several days!
TD Ameritrade shows bitcoin paper tradingAn April 22 tweet from Twitter user Cryptopolis oddly showed bitcoin trading on the mainstream NASDAQ stock exchange, via popular online trading platform TD Ameritrade.
The trading turned out only to