50x scale: Did you see the real blue ocean of DeFi in 2021?

After the accumulation and precipitation of last year, decentralized exchanges like Uniswap and lending protocols like Compound have both achieved breakthroughs at different levels with DeFi's development last year. However, in the derivatives field, there has been no large-scale adoption. It is worth noting that in traditional finance, the scale of derivatives is 40 to 60 times that of spot trading. In the crypto market, however, the trading volume of derivatives accounts for less than half of the entire digital asset market scale.