Polymath is using Kovan network extensively for its staging environment of our dApp. Polymath support Kovan openly and promoting as a best testnet with in the Ethereum ecosystem. We are committed to run the validator node and make it alive with all the necessary upgrades.
Mining Key: 0xfaadface3fbd81ce37b0e19c0b65ff4234148132
Voting Key: 0x923461e2b2c1d0a3c6dd273c13cca23d51e83782
Payout Key: 0x70c1ccde719d6f477084f07e4137ab0e55f8369f
Email to contact : firstname.lastname@example.org.