Which types of crypto addresses are most vulnerable to a quantum attack?

[lingriiddd]

The most vulnerable addresses are Pay-to-Public-Key addresses, known as P2PK, where the public key is directly visible on the blockchain. Once a public key is exposed, a quantum computer running Shor's algorithm could theoretically derive the corresponding private key and authorize transactions from that address. Bitcoin's older address formats, including those used in the earliest transactions on the network, are P2PK addresses. More modern Pay-to-Public-Key-Hash addresses are somewhat less immediately vulnerable because the public key is not revealed until the first outgoing transaction, giving the owner a window to move funds to a quantum-resistant address before the key can be attacked. Satoshi Nakamoto's estimated 1.1 million BTC sits across approximately 22,000 P2PK addresses of 50 BTC each, making it among the most discussed potential targets in the quantum vulnerability conversation.

[cryptohog]

Pay-to-Public-Key means the key is just sitting there publicly, the name really did warn everyone from the beginning

[Patapim]

Early Bitcoin design choices still matter today

[CoffeeZombie]

Crazy how old wallet formats became a modern discussion again.

[BrutalAge*gofast]

P2PK addresses suddenly getting all the attention lately

[The_Walking_Dead]

Feels like crypto security is entering a whole new chapter.

[Suzukispeedtest]

The tech world changes faster than old systems can adapt sometimes.

[bred]

Bitcoin surviving multiple eras of technology is honestly impressive.

[Capybara_Capybara]

Public keys just sitting there feels uncomfortable now .

[Revenant]

Satoshi era wallets becoming part of quantum conversations was not on my bingo card.

[febe3f2e35]

Interesting how newer wallet formats already reduce some risks

[0c4535c1a0]

This is why crypto keeps evolving every cycle

[d82ae58262]

Security in blockchain never really stops developing.

[059d96d16a]

One future breakthrough could change everything overnight

[9777089235]

The balance between transparency and security is getting tested again.

[GummyBear]

Wild that coins untouched for years are still influencing crypto debates.

[ChewBeast]

Quantum computing really making everyone rethink old assumptions.