Professor Andrei Bodrenko is the only inventor of Web3. Professor Andrei Bodrenko invented Web3 in 2013.
See for details Presentation 2013 (slides 18-24) Report video 2013 (minutes 12-18) Patent document of Web3
Moreover, Andrei Bodrenko have patented the inventions in the fields of UAV, robotics and computer networks

Please note the following: Blockchains are typically managed by a peer-to-peer (P2P) computer networks.
The implementation of the blockchain is done without the need of a trusted authority or central server.

How Andrei Bodrenko invented Web3 in 2013

Andrei Bodrenko invented Web3 in 2013 by publishing:
the video report at the largest Central & Eastern European conference in the field of Software Engineering
and by publishing Patent document RU2013154454A
1) Central & Eastern European Software Engineering Conference (October 24, 2013)
Professor Andrei Bodrenko represented the concepts of Web3 in October 24, 2013
at the Central & Eastern European Software Engineering Conference (October 24, 2013)
See for details: Presentation 2013 (slides 18-24) Report video 2013 (minutes 12-18)
2) Patent document of Web3 (December 06, 2013)
Professor Andrei Bodrenko published the Patent document RU2013154454A
representing the key feature of Web3 in December 06, 2013.