According to news on December 25, former Coinbase Chief Technology Officer Balaji stated that in the future, smart cars, smart watches and smart homes will be widely used. Each object can not only communicate with people, but also communicate with each other, record conversations and maintain them. A master with a private key coordinates tasks. He calls this trend the "artificial intelligence Internet of Things." In response, Vitalik Buterin responded that ensuring that device ownership belongs to the private key holder is not a default result and requires human efforts to promote implementation.