Binance is a popular cryptocurrency exchange which was started in China but then moved their headquarters to the crypto-friendly Island of Malta in the EU. Also it is popular for its crypto to crypto exchange services.
They are exploded onto the scene in the mania of 2017 and have since gone on to become the top crypto exchange in the world.
Register for the website Binance, by creating an account.
Opened a Binance Futures account
Complete 500 USD or more equivalent trading volume in BTC spot trading pairs
Complete 1,000 USDT or more in trading volume in the BTC/USDT Binance Futures perpetual contract during the activity period
Refer your friend and have them successfully open a Binance Futures account
For more information see this Binance announcement.