ZB is a cryptocurrency exchange platform that allows users to buy and sell various cryptocurrencies. The platform offers services such as fiat transactions, debit/credit card purchases, and bank transfers. ZB also provides spot trading, margin trading, and futures trading options. They offer a trading bot for quantitative trading and a loan service where users can lend their digital currency. Additionally, ZB has a rewards center, a VIP program, and offers partnership opportunities with referral rewards.