My understanding is that bitcoin addresses are quantum safe as long as you do not reuse an address after spending funds sent to it [0]. Per the linked article,

My understanding is that bitcoin addresses are quantum safe as long as you do not reuse an address after spending funds sent to it [0]. Per the linked article, this is standard practice, so I would assume the majority of addresses are actually quantum safe. And for more context: with p2pkh addresses, you are sending to the hash of the address, and hashes are quantum safe. [0] https://www2.deloitte.com/nl/nl/pages/innovatie/artikelen/quantum-computers-and-the-bitcoin-blockchain.html https://www2.deloitte.com/nl/nl/pages/innovatie/artikelen/qu...