Zcash Aims for 20-Second Block Times Following Landmark Speed Upgrade ⚡️
Just days after slashing its block times from 75 seconds to 25 seconds via the NU7 upgrade, Zcash ($ZEC ) developers are already pushing for even greater throughput.
A new proposal spearheaded by developers Dev Ojha and Evan Forbes suggests cutting target block times further to 20 seconds.
Why It Matters:
Faster Settlements: First confirmations would arrive in ~20 seconds, while standard exchange wait times (3 confirmations) could drop from 75 seconds to roughly one minute.
Stable Orphan Rates: Despite concerns that faster block intervals might cause miners to waste computing power on discarded ("orphan") blocks, post-NU7 data shows an orphan rate of roughly 0.69% over the past 24 hours—virtually unchanged from pre-upgrade levels (~0.66%).
Promising Testnet Results: Multi-region stress tests across 80 miners showed discarded block rates ranging between 1.9% and 3.3%, safely below earlier risk benchmarks.
If implemented, the reduction will position Zcash as one of the fastest proof-of-work settlement layers for everyday payments and exchange transfers.
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