When the truth comes out, it will be told that Putin told JP Morgan if they wanted to be paid they should take it out of the $300 billion dollars that the US seized in the Federal reserve. JP Morgan then called Biden asking permission, and Biden did so, fearing the default consequences to the bondholders.
Doubt that Putin would transfer new Soviet money for payment when the West holds so much of his money.
You can be 100% sure that Putin was given a waiver by Biden to pay the interest from Russia’s “frozen” dollar reserves.