So Christ paid for all our sins and forgets them then judges us on them at the judgment?
The judgement is; do you have Christ’s payment for your sins (?) or you don’t and will now pay for them yourself. Salvation is already determined, this is the sentencing of those without Christ and the mercy God displayed before all creation for those in Christ. How can you not know this?
.. we must all appear before the judgement seat of Christ, so that each one may receive what is due for what he has done in the body, whether good or evil.
2 Cor 5:10 [ALL before judgement seat ... and ... that EACH ONE may receive...]