What happened
Zcash's core development team went public Sunday with Zakura, a new node implementation whose stated ceiling is 50,000 transactions per second on a fully shielded chain. That number matters because it's the throughput bar Visa quotes for its global network, and Zcash currently clears roughly one private transaction per second. CoinDesk, which detailed the launch, described Zakura as the first live component of a staged scaling plan rather than a finished product. The node is running now. The 50k target sits at the end of the roadmap, not the start.
The technical lift here is real. Shielded Zcash transactions use zk-SNARKs to prove validity without revealing sender, receiver, or amount, and generating those proofs has historically been the bottleneck. Any credible path to Visa-scale privacy requires collapsing proof-generation time, parallelizing verification, and rewriting how the node handles state. Zakura is the first client that even claims to attempt all three in production code. Independent benchmarking hasn't landed yet.
Why it matters
Privacy coins spent the last three years boxed in. Regulators tightened travel-rule enforcement, major venues like Kraken and Bittrex delisted Monero across multiple jurisdictions, and the category's total market cap slid to a fraction of its 2021 peak. Zcash has been the quieter half of that story, trading in the shadow of Monero's stronger community but with a technically more flexible design because shielding is optional rather than mandatory.