SEC: Binance market maker Sigma Chain is actually controlled by CZ, and multiple Binance employees are responsible for its operation.
BlockBeats reported on June 6th that the US SEC mentioned in the lawsuit against Binance that Sigma Chain is a Swiss-registered cryptocurrency trading company. CZ is the actual owner of Sigma Chain, and several Binance employees are responsible for its operation. Among them, Binance's logistics manager also has the authority to sign the bank account of BAM trading company while serving as the president of Sigma Chain. Sigma Chain is an active trader on the Binance platform and claims to be the "main market maker" for Binance.
When Binance US was launched, CZ instructed Sigma Chain to become one of its first market makers. In addition, since Binance US began offering over-the-counter (OTC) trading, conversion trading, and one-click buy and sell (OCBS) services to its customers, Sigma Chain has been a counterparty for Binance US customers, sometimes even the only one.