According to TechFlow, on December 20, according to @ai_9684xtpa’s monitoring, GSR Markets and Amber Group may be USUAL market makers: GSR Markets makes 8 million coins and currently holds 2.76 million coins (about 4.4 million US dollars), making it the ninth largest USUAL holding address; Amber Group makes 12 million coins and currently holds 1.6 million coins (about 2.54 million US dollars), making it the twelfth largest holding address.