From the roadmap: "Because of this, if you follow our repositories you will start to see .NET Core 2.0 versioning."[0]
As an aside, I find it helpful to think of .net standard as an interface (API definition, no code), and .net core as a class (implements interface, provides implementation, possibly additional methods).
public class NetCore2_0 : INetStandard2_0 {}
public class NetCore1_0 : INetStandard1_6 {}
As an aside, I find it helpful to think of .net standard as an interface (API definition, no code), and .net core as a class (implements interface, provides implementation, possibly additional methods).
[0] - https://github.com/dotnet/core/blob/master/roadmap.md