Miller served as legal counsel to SEC Chairman Gary Gensler, when Gensler was at the CFTC.
The company plans to expand its operations n Chile, Colombia, Ecuador, Peru and Uruguay by the end of 2022.
The Hong Kong-based exchange said it is temporarily halting trading while investigating issues on the platform.
Binance declined to comment on Wei's whereabouts.
At present, there are no restrictions on exchange executives and other employees to trade cryptocurrency on their platforms.
With the company halfway through Q2, analysts want to know what monthly active users looked like for April and May.
Some OKEx's users in China are determined to leave the exchange despite new incentives designed to keep them.
OKEx will compensate those users who have been frustrated by its suspension of withdrawal service.
The FCA's ban could prompt some individuals to shift their crypto trading to offshore, unregulated exchanges.
A new report from bitFlyer Japan states the exchange is now custodying more than 161.8 billion yen ($1.5 billion) on behalf of its clients, a two-year record for the company.
The global cryptocurrency exchange giant is putting up $100 million to support DeFi projects on Binance Smart Chain (BSC).
Huobi's new crypto saving product is a less risky version of DeFi for crypto newbies.
With popular online trading platforms hit by more outages amid high volumes, companies like Robinhood may learn something from crypto exchanges.
Cryptocurrency exchange Huobi is taking aim at competitor OKEx in the business of trading bitcoin futures and other derivatives contracts, opening up a new front in a longstanding rivalry that has historically focused on the lucrative Chinese market.