Fewer than 10% of crypto companies operating in Brazil are expected to seek central bank authorization, according to industry estimates.Only 20 to 25 firms may apply for authorization, while roughly 10 are expected to ultimately secure a license.Existing crypto service providers have until Oct. 30 to begin the authorization process or face shutting down their operations within 30 days.Capital requirements can range from R$10.8 million to R$37.2 million, alongside governance, security, audit and compliance obligations.Several firms have already closed, consolidated operations or transferred retail customers as the market adjusts to the new rules.