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Zcash developers plan quantum-safe keys for transparent payments

Zakura says post-quantum signature opcodes could reach Zcash in January, pairing address rotation with private information retrieval in the Vizor wallet.

Why it matters: The plan answers Ethereum researcher Justin Drake's warning that AI-driven maths could break ECDSA signatures, a concern that now reaches Bitcoin and Ethereum holders.

InvestIn.News NewsDesk · 1 min read
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Picture from Decrypt for: Zcash developers plan quantum-safe keys for transparent payments
Image: Decrypt
Original reporting: Decrypt Staff, Decrypt

Key points

  • The plan rotates addresses after every transaction and adds a hash-based WOTS backup signature.

Zcash developers at Zakura say they have a plan to protect transparent payments from AI and quantum attacks.

Zcash supports shielded payments, which hide sender, recipient and amount, and transparent payments that are publicly visible like those on Bitcoin. Zakura's approach rotates wallets to a fresh address after every transaction and adds a hash-based backup signature known as WOTS, avoiding the elliptic-curve maths researchers fear could be cracked.

Rotation creates a privacy problem, because a server checking balances across many addresses can link them to one user. Zakura says private information retrieval, a technique that fetches records without revealing which ones are requested, solves that.

The plan follows Ethereum Foundation researcher Justin Drake's call this week for holders to move funds to fresh addresses, after he warned AI-driven maths could break ECDSA signatures securing Bitcoin and Ethereum. Vitalik Buterin said he believed it was plausible that AI-driven maths advances could break encryption within two years.

Read the full story on Decrypt

Live updates on NewsFeeds:AIEthereumDesk editor: Keshav Aggarwal (accountable for this page; this summary was not edited by hand)

How this was produced: an AI model wrote this summary of Decrypt’s report, which we credit and link above. Read our Editorial and AI policy. Spotted a mistake? See Corrections.

Not investment advice. Read the risk disclaimer.

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