Re: Currency is not the same price, you can buy low and sell high profit?
Recently, the price of Bitcoin has fluctuated sharply, and arbitrage windows have appeared on many exchanges. The price of Bitcoin on Binance is US$47,000, while on some exchanges in South Korea, the price of Bitcoin is US$51,000. If you buy in Binance and then sell in South Korea, you can make a profit of $4,000. I am considering doing this. I want to hear your opinion. 
If you do this, the risk will be great. Don’t trade on small exchanges either.Everyone thinks the same as you, then we will do the same. But we will not do this for safety reasons.