[ad_1] <br><img src="https://www.coindesk.com/resizer/AigwYP_CMQL5G9YnBLOHnDbZjiY=/800x600/cloudfront-us-east-1.images.arcpublishing.com/coindesk/CQ5VKGINZFGUFHNWNFAKNWLWYA.jpg" /><br>The US Securities and Exchange Commission (SEC) has launched its review of the latest bitcoin exchange-traded-fund (ETF) applications.