Bittensor (TAO) Launches Quantum-Resilient Wallets

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https://cryptoast.fr/bittensor-tao-wallets-resistants-quantique-signatures/

This Friday, November 6, 2026, the Opentensor Foundation, behind the decentralized artificial intelligence protocol Bittensor, announced the launch of quantum computing-resistant wallets for its native token, TAO. The update introduces three post-quantum signature schemes of user choice: ML-DSA-65, Falcon-512 and Falcon-1024.

The first, ML-DSA-65, is the standard adopted by the American National Institute of Standards and Technology (NIST) for post-quantum cryptography. The two Falcon variants are distinguished by more compact signatures, which reduces the size of transactions (around 0.7 to 1.3 KB compared to around 3.3 KB for ML-DSA-65). Each scheme therefore offers a different compromise between security level, signature weight and signature speed.

As AI renews debate over cryptographic security, the update gives users post-quantum signatures and the option to replace signing keys automatically. pic.twitter.com/qIXifNvMaQ

Another new security feature concerns the automatic rotation of signing keys. Thanks to this new option, after each transaction recorded on the network, the wallet will switch to a new signing key. The old one becomes unusable, but the user's address, balance and staking remain attached to the same account, without requiring a new recovery phrase.

The development teams specify that existing wallets continue to function normally. Users wishing to benefit from post-quantum signature will need to create a new account using compatible software.

Quantum-resistant wallets without the key rotation option do not require any registration or deposit. On the other hand, versions with rotation require registration and a single deposit of 0.2 TAO, blocked permanently. Standard transaction fees also apply.

The Opentensor Foundation justifies this update with two converging threats. On the one hand, Q-Day, that is to say the day when a sufficiently powerful quantum computer will be able to break the cryptography protecting the keys, and thus authorize transactions from a third party's account. And on the other hand, mathematical research generated by AI published on October 6, 2026, which has revived concerns around the robustness of classic digital signatures.

Early last month, the publication of 722 mathematical manuscripts attributed to an internal OpenAI AI model prompted Justin Drake, researcher at the Ethereum Foundation, to sound the alarm and call on the crypto sector to go into “bunker mode”. Because Drake believes that advances in AI-assisted mathematics could break the cryptography behind cryptocurrencies even before the arrival of operational quantum computers.

Machine-translated from French