In a most dramatic tweet the Zcash Open Development Lab (ZODL) has announced that their trusty guardians of privacy, zcashd and Zebra, have fallen victim to a most subtle yet lethal flaw-an Orchard transaction bug that could loudly bang the bell on a thousand nodes. The repair, a polished version 6.12.1 for zcashd and 4.3.1 for Zebra, is now in circulation, fixing the four villains of the day: the crash‑bug, the orphaned split, the disabling turnstile glitch, and the sneaky integer arithmetic nibblers.
It seems the universe enjoyed a little irony: while the common hero of crypto could have split the chain itself, it never did. No one has yet used the bug to inflate the supply, so the ZEC populace remains safe, and their secrets, unshaken.
Security Disclosure: zcashd 6.12.1 and Zebra 4.3.1 are out, patching four vulnerabilities including an Orchard action-encoding bug that could crash nodes and a related consensus-split issue. Mining pools, get your patch shoes on. No legion of attackers yet; it’s like a silent choir in a storm.
Mining pools…
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– Zcash Open Development Lab (@zodl_co) April 17, 2026
Even though a few nodes hiccup in mercy, mining pools that farm both implementations have already slapped on the new patches. The tremor remains unexploited, and Zcash insists every user’s funds are still a secret vault against the stormy winds.
These fixes were conjured in secrecy, with zcashd and Zebra receiving their new coats of paint before the world ever heard of the brushstrokes. A supermajority of the network’s hash power, together with the chief operator of Zebra mining, applied the updates early, forestalling disaster with the efficiency of an overzealous librarian who replaces lost books before a patron even notices.
Zcash news
The Shielded pool, which has become the high priest of secrecy, has now swallowed 31 % of all ZEC. A year ago it was nearly a whisper at 11 %, but today 59 % of the transactions are wrapped tighter than a sleeping child’s blanket.
In a tangle of genius and dread, Zcash is now experimenting with lattice-based cryptography-ML‑KEM and ML‑DSA-hoping to outpace quantum miners that Google warned are 20× closer than our best forecasts. The network’s hash rate has climbed to a new all‑time high at 16.54 GS/s, a testament to miners’ devotion more steadfast than a lighthouse keeper’s night watch.
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2026-04-18 16:38