A New York judge has handed down final approval for defunct crypto exchange FTX and its sister trading firm Alameda Research to pay back $12.7 billion to FTX creditors as part of a settlement with the United States Commodity Futures Trading Commission (CFTC). In an Aug. 7 filing, United States District Judge Peter Castel officially approved the $12.7 billion consent order, which FTX and Alameda entered into to resolve a 20-month-long lawsuit from the CFTC. FTX and Alameda first agreed to the settlement on July 12, but the action was still pending final court approval — which is what District J…