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BTC Quantum-Proof Cryptography Upgrade
Quiet
Little coverage in Bitcoin in the 7 days to 21 October.
Judged on the 7-day share of Bitcoin coverage to 21 October
Updated 21 October 2026
The argument: The implementation of new cryptographic schemes like SPHINCS+ could mitigate quantum threats but may increase transaction costs.
How attention has changed
0% of Bitcoin coverage
Rolling 3-day share · as of 21 Oct 2026
This measures attention in published coverage, not the likelihood of a price move.
| Date | Share of coverage |
|---|---|
| 2026-09-22 | 0% |
| 2026-09-23 | 0% |
| 2026-09-24 | 0% |
| 2026-09-25 | 0% |
| 2026-09-26 | 0% |
| 2026-09-27 | 0% |
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| 2026-09-30 | 0% |
| 2026-10-01 | 0% |
| 2026-10-02 | 0% |
| 2026-10-03 | 0% |
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| 2026-10-11 | 0% |
| 2026-10-12 | 0% |
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| 2026-10-15 | 0% |
| 2026-10-16 | 0% |
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| 2026-10-18 | 0% |
| 2026-10-19 | 0% |
| 2026-10-20 | 0% |
| 2026-10-21 | 0% |
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The argument and its evidence
Several outlets can carry the same argument; no single article is its origin. Read each one in its own context.
All articles matched to this narrative
Recent coverage
Earlier coverage
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Gizmodo · Published 30 Aug 2026
The First Quantum-Resistant Bitcoin Transaction Has Been Mined
In coverage record: 31 Aug 2026
“Creating one of these transactions requires substantial off-chain computation. Levy's original paper estimated the GPU cost at a few hundred dollars, compared with the tiny fees normally associated with sending bitcoin. The method was explicitly presented as a last-resort option rather than something suitable for ordinary Bitcoin payments.”
Read article -
Activist Post · Published 11 Apr 2026
Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain
In coverage record: 11 Apr 2026
“Developers are exploring multiple defenses, including removing on-chain public keys (BIP 360), adopting hash-based post-quantum signatures like SPHINCS+, and using a commit/reveal scheme to shield mempool transactions.”
Read article -
CoinDesk · Published 5 Apr 2026
Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain
In coverage record: 5 Apr 2026
“The tradeoff for security is size. While current bitcoin signatures are 64 bytes, SLH-DSA are 8 kilobytes (KB) or more in size.”
Read article