Guys I'm sorry but this is scam.

Look at this code block and look at this web site.
https://www.walletbuilders.com/

They bought coin generator for 0.02 btc.

https://github.com/abi2018/wz37da/blob/b64cbc0192f8b34a5e19241861cf324bc56b88de/src/net.cpp#L1231)