And here it is >>54648
https://www.politico.eu/article/eu-frozen-russian-assets-war-in-ukraine/
They can't take Russia's frozen assets so they issue bonds (= take loans) and they pretend this money backs it by allowing Ukraine to pay it back when Russians pay war reparations for Ukraine.
I bet Orbán is right here: >>54634 they are planning to indebt all the member states on purpose. They play on the "Ukraine will win" angle and that they can force Russia to pay somehow, while they know very well this is a mirage.