I had the same question and this article was really helpful in explaining the threat models https://www.deloitte.com/nl/en/services/risk-advisory/perspectives/

I had the same question and this article was really helpful in explaining the threat models https://www.deloitte.com/nl/en/services/risk-advisory/perspectives/quantum-computers-and-the-bitcoin-blockchain.html https://www.deloitte.com/nl/en/services/risk-advisory/perspe...