I have a small amount of OnePass miles (collected I know not when).
Thinking I might be able to transfer them to Aeroplan (my preferred disloyalty program), I came across Mileage Converter.
My conversion calculation is shown here
Even with the egregious, bank-like conversion rate, I'd be tempted to transfer the miles were it not for the implication of having to create accounts at the intermediate AmTrak, Midwest, and HHonours (actually I think I have one there) to enable the flow.
If only there were an easier mechanism for the controlled transfer of identity to and from entities that I may or may not have a 'credentialled' account with ....