Description of APP 5.0.0 version upgrade

Upgrade of Android client

• The [My Wallet] module is upgraded to [My Assets]. [My Assets] consists of wallet account and OTC account, and bill function is added;
• The new version of OTC trading is launched. The OTC mode supports multi-fiat and multi-currency transactions;
• Change the background picture of BKEX news flash.

Upgrade of IOS client

• The [My Wallet] module is upgraded to [My Assets]. [My Assets] consists of wallet account and OTC account, and bill function is added;
• The new version of OTC trading is launched. The OTC mode supports multi-fiat and multi-currency transactions.