The news has caused concern among investors, with Matthew Dibb, COO of Singapore crypto platform Stack Funds, saying that "halting of withdrawals is obviously going to create or spur quite a bit of worry and panic," per a Reuters report. And in June, the SEC accused Binance and its owner of misusing investor funds, www.binance.com operating as an unregistered exchange and violating a slew of federal securities laws. Hot storage: This is when you leave your coins on an online medium, such as a service like Coinbase or an exchange like Binance. After all, you wouldn't leave your physical cash just lying out in the open for anyone to grab, would you? Cold storage: This is when you leave your coins in a medium you control, like an offline or hardware wallet.