This type of solution had very few advocates in the 1960s – an attitude that has hardly changed 50 years later. I remain very sceptical about the bancor proposal, and not only because of its doubtful feasibility. Indeed, some have said that a supranational currency would need to be kept strong in order not to depreciate against the other major existing currencies.
Any weakening would undermine its attractiveness, and hence its function as a reserve asset.