Seeing PGO: UNKNOWN is not implemented yet! printed out when parsing the following assembly

global main
extern GetStdHandle
extern WriteFile

section .text
main:
    mov     rcx, 0fffffff5h
    call    GetStdHandle

    mov     rcx, rax
    mov     rdx, NtlpBuffer
    mov     r8, [NtnNBytesToWrite]
    mov     r9, NtlpNBytesWritten
    sub     rsp, 40
    mov     dword [rs

User Story
As a graphene fork and bitshares blockchain developer I want the name of the blockchain to be added to config so that client programs i write can display the info to their users.

Global var can be added at https://github.com/bitshares/bitshares-core/blob/master/libraries/chain/include/graphene/chain/config.hpp#L26 and displayed initially just in the info wallet call at:
https

It's quite common to want to use the class to merely get price info and similar, for which an address and private key isn't needed.

We should probably add the ability for users to instantiate the class without them. My current workaround is to simply use 0x0000000000000000000000000000000000000000 as the address and 0x0000000000000000000000000000000000000000000000000000000000000000 as the p