Hundreds of DeFi services have been increased worldwide since late 2018, and are being used in various fields such as landing, staking, decentralization, derivatives, wallets, identification, forecasting market, and insurance. So far, many companies have introduced and put various dApps on the market, but there have not been many areas that can be applied in practice. DeFi has improved the fundamental inefficiency of the financial service system, gaining a lot of favorable responses from the block chain industry, and has grown rapidly in a short period of time due to the large influx of users who understand the block chain.
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