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Zcash proposes one-time viewing keys to protect shielded payments from future quantum attacks

Protocol Fundamentals
19 Oct 2026
Decrypt
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Bullish
Zcash proposes one-time viewing keys to protect shielded payments from future quantum attacks

Zcash developer Zakura has introduced "one-time" viewing keys to prevent future quantum computers from linking users' shielded Zcash payments, particularly targeting risks from swaps via NEAR Intents where shielded addresses are exposed on a public chain. This solution, which requires no network upgrade, isolates each address with a unique viewing key, so if one is compromised, others remain secure. Wallets using Zakura's open-source libraries, like Vizor, will adopt this feature soon, with hardware wallets to follow. This move is part of Zcash's broader plan to achieve full post-quantum privacy within 12 to 18 months, addressing growing concerns about quantum and AI threats to cryptographic security.

As Zcash advances its privacy features to counter quantum computing risks, its market activity on Pluang shows steady interest. On Pluang, ZEC trades at Rp20.844.214 with a 2.45% gain over the past day as of Oct 19, 2026 17:22 WIB. The platform reports a market cap of Rp7,04 trillion and a 24-hour trading volume of Rp787,62 million, reflecting ongoing engagement from investors holding ZEC for an average of 107 days.

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