I wonder if MB paymails will be worth anything one day. I b…

I wonder if MB paymails will be worth anything one day. I bought a load of them about 18 months ago. Just a few of them:

tidal, revolut, revolutapp, buycrypto, cmctrading, trading212, fixr, coinfirm, depop, iqoption, libertex, pymnts, tandem, wowcher