Zcash developers propose reducing block time to 20 seconds

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Zcash developers have proposed a blockchain upgrade to reduce the target block time from 25 to 20 seconds following the NU7 network upgrade. The ZIP draft aims to accelerate transaction confirmations for POS payments, exchange deposits, and cross-chain swaps. The change will not impact privacy transaction capacity or ZEC issuance. The NU7 network upgrade, launched on November 6, 2026, previously reduced block time from 75 to 25 seconds and introduced a network sustainability mechanism.

PANews, November 9: According to Cointelegraph, Zcash developers have proposed further reducing the target block time from 25 seconds to 20 seconds, just days after the activation of the NU7 upgrade. A related draft ZIP has been submitted to the community forum for consideration in the next round of community voting and potential implementation in the upcoming NU7.1 network upgrade. This move aims to shorten transaction confirmation times and improve user experience in scenarios such as POS payments, exchange deposits, and cross-chain swaps. The proposal states that it will not increase the network’s daily capacity for privacy transactions or alter the existing ZEC issuance schedule. The NU7 upgrade, which previously reduced block time from 75 seconds to 25 seconds and introduced a network sustainability mechanism, went live on November 6.

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