Once the technology is open-sourced, not to mention the so-called mainstream consensus of blockchain, even Vitalik Buterin has to reflect on the development direction of blockchain with caution. Any global consensus cannot make long-term plans based on false perceptions. When traditional theories collapse, no one dares to keep pretending anymore. The vacuum network is the future of blockchain and IoT security. There's no need for verification. After it's made public, everyone can independently prove the future by themselves.