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How to degauss the bank card instantly? (urgent online, etc. )
Degaussing is to restore the magnetic domains in the medium to a disordered state.

1. High frequency oscillation. This will damage the bank card.

2. High temperature. (100 degree boiling is enough).

3. High frequency electromagnetic field (induction cooker).

None of the above three methods has been tried, and there is no guarantee of success.

Just to remind you, after my bank card was degaussed, I went to the window to confirm my identity and reissued it for free. If you can't write well, spend a few dollars on a new one.