Blockchain 4.0 is envisioned as the next generation of blockchain technology, aiming to make it more business-friendly and suitable for mainstream use. It builds on the innovations of previous generations by addressing scalability issues and improving user experience. This would allow businesses to leverage blockchain for secure, automated applications across various departments. Additionally, Blockchain 4.0 paves the way for the integration of blockchain with other emerging technologies like AI and IoT, potentially creating a more interconnected and intelligent ecosystem.