Binance 
The largest cryptocurrency exchange in the world by trading volume, Binance, continues to see explosive growth in spite of price reductions across the market earlier this week. The company added 240,000 users in just one hour on Wednesday Jan. 10, surpassing all previous growth records.
https://www.youtube.com/edit?o=U&video_id=Y5ujMJVFvk4
BitMart 
As a global integrated trading platform, BitMart provides diversified system functions such as spot trading, futures contract trading, over-the-counter trading, whole-network trading, and decentralized trading. Moreover, it satisfies the needs of numerous investors.
https://www.youtube.com/edit?o=U&video_id=oAN8LR38-nQ
https://www.youtube.com/edit?o=U&video_id=R-Gcx8LUq1A
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