Data: The overall liquidity of the stable currency will change every 5 or 6 days.

According to DAppTotal's "DeFi Industry Research Report for the First Half of 2019", the total circulation of the stable currency market was US$4.57 billion as of June 30, 2019, of which USDT was US$3.68 billion, accounting for 80.6% of the market. Among them, the USDT based on the OMNI network accounted for 71.8%, the USDT based on the ERC20 Ethereum network accounted for 27.1%, and the USDT based on the TRC20 wave field network accounted for 1%. Since April this year, the ETF's USDT circulation and the frequency of additional issuance have increased sharply. Judging from the daily trading volume of the stable currency chain, the single-day transaction amount on June 30 is 859 million US dollars, which means that the overall circulation of the stable currency will change every 5 or 6 days.