OKX is one of the world's largest cryptocurrency exchanges by trading volume and a Web3 ecosystem with more than 50 million users from various countries. They rely on blockchain technology to provide everything you need for wise trading and investment. They provide spot, margin, futures, options, perpetual swaps trading, DeFi, lending, and mining services. OKX is airdropping free cryptos to users who sign up and make a deposit. Create an account on OKX and buy at least $50 worth of crypto with fiat or make a single deposit of at least $50 in crypto to get a mystery box that could contain cryptos worth between $0.1 to $10,000, such as BTC, ETH, OKB, DOGE, FIL, SHIB, DOT, etc., and rebate cards