The lab10 collective has used Kovan as its prefered testnet to test bridges and various smart contracts.
lab10 collective runs validators on ARTIS Sigma1 (mainnet) and Tau1 (testnet) since November 2018 and we are committed to run a validator node on this outstanding Ethereum testnet.
Mining Key: 0x596e8221a30bfe6e7eff67fee664a01c73ba3c56
Voting Key: 0x857c0e999c733858ba991897974b3a2864a617ea
Payout Key: 0xb425fdbe8275361230a633c8d80ea371224d925c
Email to contact : firstname.lastname@example.org