PANews reported on October 21st that Vitalik Buterin, in a post on the X platform, expressed his high appreciation for Sandeep Nailwal and Polygon's key role in the Ethereum ecosystem, particularly their early investment in the ZK-EVM, support for highly scalable applications (such as Polymarket), and advancement of research projects to combat the pandemic. He also revealed that Sandeep had returned a $190 million SHIB donation, providing critical funding for the Balvi project. Vitalik encouraged Polygon to adopt existing ZK technology in the future for even greater security.