Difference between Huobi OTC and Global:
Huobi OTC (otc.hbg.com) offers an exchange bridge between fiats and digital assets while Huobi Global (www.hbg.com) is a digital assets trading exchange that supports exchanges or investment services between various cryptocurrencies.
Linkage of Huobi OTC and Global:
Huobi OTC((otc.hbg.com), serving an affiliated website of Huobi Global(www.hbg.com) , is a platform devoted to over-the-counter trades of digital assets. You can buy/sell your digital assets by posting a buy/sell advertisement on Huobi OTC and then complete transactions with the other party so as to exchange your digital assets with fiats. Huobi OTC offers an aggregated display of buying or selling info and the actual payment is transferred and completed offline.（In other words, Huobi OTC provides escrow on digital assets ）