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 Any bitcoin address that you receive bitcoin in is secure against quantum computing as long as you don't spend those UTXOs and then reuse that same bitcoin address to receive additional bitcoin. 
 Why is that? (ELi5 please) 😉 
 IIUC, P2PKH.  QC can remove the H, but can't convert the PK to a SK. 
 So that’s ELIAMADEV but thanks anyway 😂