Don't know if you guys already saw this.. with BTCpay
I will not work on it directly, but I would need to the guess the next altcoin after Litecoin to be supported by BTCPay, it might be Stratis: they have a team very familiar with NBitcoin and .NET Core development, this is likely a 2-3 days worth of work for them.
http://bitcoinist.com/btcpay-core-developer-better-bitpay/