What to know:
- Quantum computers could one day break Bitcoin’s security and expose older wallets to theft.
- PACTs offer a private, low-cost way for users to prove ownership and protect their funds ahead of time.
A new proposal shared by Paradigm suggests that there is a way to protect Bitcoin from future shock that could put billions at risk.
The researchers has warned that these quantum computers could one day break Bitcoin’s current security system and with this access, attackers can be able to steal funds from older Bitcoin addresses.
The idea comes from a researcher at Paradigm, Dan Robinson, he introduces a concept called PACTs, or ‘Provable Address-Control Timestamps’. These systems are designed to help Bitcoin holders prove their token ownership without actually exposing themselves publicly.
Source: Paradigm
At the center of the issue according to the details is a growing concern about quantum computing. If these machines become very enough, they could crack the keys that protect BTX wallets, especially older ones where their public keys have already been exposed.
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One of the proposed solution is a “sunset” upgrade. This solution is expected to block spending from vulnerable addresses unless the users move their funds to safer ones. However, this solution kind of creates a serious problem for long-term holders, including Satoshi Nakamoto because he would be forced to reveal ‘themselves’ or risk losing access to their coins.
Bitcoin Quiet Protection Strategy
The newly introduced PACTs will offer a different path. So instead of forcing users to move their funds publicly, they can just quietly create a hidden proof today that shows they own their private keys.
This system would work by using BTC as a timestamp system. Different tools like OpenTimestamps allow users to record proof of ownership without making any transaction. Later, if BTC adopts stricter rules, users can reveal a cryptographic proof that they had control of their coins before quantum computers became a threat. This approach keeps user privacy intact.
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