No, you must open (or have) an IBKR securities brokerage account with trading permissions other than Cryptocurrency first. You then might be eligible to request cryptocurrency trading permissions, at which point a Cryptocurrency Service Provider account will be created for you and linked to your IBKR trading platform's interface. To keep the cryptocurrency trading permissions you must maintain at least half of your account activity in something other than cryptocurrency.
Additional Information
All exchange and custody services in connection with trading and holding cryptocurrency tokens and other digital asset tokens through IBKR trading platforms are provided by Cryptocurrency Service Providers. Learn more.