With the development of Web3.0, some torso sex doll brands have begun to accept cryptocurrency payments, but Klarna has remained competitive by launching a "mixed payment" function. Users can pay a 20% down payment with Bitcoin, and the remaining amount will be settled in fiat currency through Klarna installments. This model is particularly attractive to technology enthusiasts: they pursue the intelligent modular design of torso sex dolls and hope to take advantage of the flexible financial solutions of Klarna sex dolls. There are more forward-looking projects that try to integrate AI customer service into the payment process, and recommend different configurations of torso sex dolls based on the user's Klarna credit rating.

The olfactory dimension is a new battlefield for enhancing the realism of sexdoll heads. The smart scent box developed by the French Spice Lab can be embedded in the nasal cavity of the sex doll head to release customized fragrance according to the contact intensity. When the user kisses the torso sex doll, the humidity sensor in the sex doll head triggers the sweat simulation system to release microcapsules with personalized body fragrance. A more complex application is to bind the smell to emotional memory - by analyzing the user's brain wave data, the system can automatically release the associated smell in a specific scenario. Testers reported that the sex doll head with the smell system increased the scene immersion by 73%, but the stability of volatile substances is still a technical difficulty.