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Stacks tests quantum-resistant signatures for its sBTC bitcoin bridge
The project has run a first trial of a post-quantum signing scheme on sBTC, the bitcoin-backed asset used on the Stacks network.
Key takeaways
- Stacks has carried out a first test of quantum-resistant signatures for sBTC, according to CriptoNoticias.
- sBTC is a bitcoin-backed asset issued on the Stacks network.
- The work addresses the risk that future quantum computers could break existing signature schemes.
- CriptoNoticias did not report which signature scheme was tested or when it could be deployed.
A first trial on sBTC
Stacks has taken a first step toward protecting sBTC against attacks from quantum computers, according to a report by CriptoNoticias published on 11 November 2026. sBTC is a bitcoin-backed asset issued on the Stacks network, which settles transactions on Bitcoin.
The report frames the work around a question the project is trying to answer: what happens to bitcoin funds if computers capable of breaking current cryptographic signatures become available. CriptoNoticias describes the effort as an early test rather than a finished change.
The article does not name the signature scheme used in the trial, the parties involved, or a timeline for putting the method into production. It also does not say whether the test ran on a public network or in a controlled environment.
Why signatures matter
Bitcoin and most other blockchains rely on public-key cryptography to prove that a transaction was authorised by the holder of a private key. A sufficiently powerful quantum computer running known algorithms could, in theory, derive a private key from a public one, which would let an attacker move funds.
No such machine is known to exist at the scale required. The concern is a long-term one: addresses and keys created today could still hold funds when the hardware arrives, which is why several blockchain projects have begun studying replacement schemes.
CriptoNoticias gives no estimate of when quantum computers might reach that capability, and the report does not say how much of sBTC's supply the test covered.
What is not yet settled
Whether sBTC users would need to move funds to new addresses, and how a migration would be handled, is not addressed in the report. Stacks has not published details of the trial that the article cites.
The test is one of several open questions around post-quantum readiness for bitcoin-based systems. CriptoNoticias presents it as a first step, without stating that sBTC is now protected against quantum attacks.
Sources
1 reportThis article was prepared by BattleTown Newsroom from the reports listed above.
Frequently asked questions
What is sBTC?
sBTC is a bitcoin-backed asset issued on the Stacks network, according to CriptoNoticias. The report describes the new work as a first step toward making it resistant to attacks from quantum computers.
Does this mean sBTC is now safe from quantum attacks?
No. CriptoNoticias describes the effort as a first test. The report does not say the method has been deployed or that sBTC is protected.
When could the change go live?
The report gives no timeline and does not name the signature scheme that was tested.
This story is for information only. It is not financial, investment or legal advice. Disclaimer
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