No idea if it's enough start a job board but seems to me like requiring the name of the company and a salary range is not a bad requirement for keeping quality up.
On WFH.io (https://www.wfh.io), we always try to link back to the employer's job posting. Job boards in the UK are mainly populated by recruiters, and it's not until after you submit your CV that you actually find out who's hiring. To me that seems completely ridiculous but is standard procedure here.
Also, if the job posting doesn't explicitly mention remote/WFH, then we try to avoid posting the job.
I often get recruiters who try to sell me a job based purely on technologies and not what the company actually does. I'll ask them who the company is and they usually wont say, either due to the fact that I haven't sent my CV/resume or they think I am another recruiter that is trying to steal the details.