//Top Stories
Grayscale Publishes "Zcash: Financial Privacy in the Age of AI"
Grayscale Research dropped a dedicated Zcash report on March 27, framing privacy as "infrastructure, not a feature." The report argues that AI-powered surveillance makes financial privacy essential, not optional — and positions ZEC as the leading solution. Key stat: if Zcash captures just 5% of the Currencies Crypto Sector, Grayscale estimates an 18x upside. The report specifically names Tachyon and CrossLink as evidence of Zcash's engineering depth. Zooko, Swihart, Cypherpunk, and ZODL all amplified the announcement.Zebra 4.3.0 Ships Critical Security Patches + ZIP-235
The Zcash Foundation released Zebra 4.3.0 on March 25 with two security fixes — including a V5 transaction proof verification bypass that could have caused a chain split. Also adds ZIP-235 (Network Sustainability Mechanism) support and fixes a Testnet CPU regression. All node operators should upgrade immediately. Full disclosure.
Winklevoss Twins Frame ZEC as "Encrypted Bitcoin"
Tyler and Cameron Winklevoss declared: "The financial crisis of 2008 catalyzed Bitcoin. AI is going to catalyze Zcash and privacy... Think of Zcash as encrypted Bitcoin." Josh Swihart built on this, framing ZEC as an "encrypted hard asset" — positioning it alongside gold and BTC rather than as a privacy tool. This is a deliberate narrative shift gaining traction across crypto audiences.
//Ecosystem
- Zodl ships cross-platform unification update — Smarter swaps (tolerates small deposit shortfalls), consistent UI/UX across iOS and Android, terminology and localization unified. App Store + Google Play now live.
- Zaino 0.2.0 goes stable — ZingoLabs graduated months of release candidates to production-ready 0.2.0 on March 25. This Rust-based block data server replaces the old Go-based lightwalletd. ZCG formally announced it.
- ZecHub launches testnet bounty platform — Sign in with GitHub, enter a testnet address, create tasks, receive TAZ. A lightweight way to coordinate community contributions. Announcement.
- Zcomm 2026 wraps up — The Zcash Foundation's first virtual conference concluded March 24. Naomi Brockwell spoke on privacy communities. Recordings coming to YouTube.
- Zcash sponsors Neo-Cypherpunk Summit — web3privacy announced Zcash as member and sponsor of the upcoming summit. Brand positioning alongside the broader cypherpunk movement.
- Nordic Shield ships first mainnet anchor — A state-channel verification system using ZEC as an on-chain commitment layer mined its first anchor on block 3,286,631. Verification tooling (
nsm1-verify) and FROST design underway. Forum thread. - Zapp messenger integrating ZEC payments — A privacy-first P2P messenger with ZEC payments (no phone number required), built during the Zypherpunk Hackathon. Waitlist live at justzappit.xyz. Also building a community merchant map. Forum.
//Governance & Grants
Coinholder-Directed Grants Q1 — Voting Open Through March 31
Voting remains open until Tuesday, March 31 at 11:59 PM UTC. The mechanism went down briefly on March 27 but was restored. Six projects in the pool: ZChat, zec-pay.com, Maya Protocol shielded support, ZK Email, zcash.me, and Pepper-Sync. Also includes a vote on rescinding the Q4 2025 Bootstrap Org grant. Proposals need at least 420,000 ZEC participating to be approved. Vote using the Zkool wallet with Orchard notes.ZCG Calls for Community Feedback on 11 Open Proposals
ZCG published a 4-tweet thread requesting community input on a batch of open grant applications — one of the biggest public feedback rounds in recent months.Under review:
- #255 — Open Wallet Standard Zcash Integration (Kenbak/Atmosphere Labs) — Bring Zcash + PCZT signing into MoonPay's Open Wallet Standard, backed by PayPal, Circle, Ripple, Solana Foundation, and 15+ others. Zcash would be the first privacy-preserving chain in OWS.
- #254 — REPUTRANS — ZK reputation portability for gig workers. Novel use case.
- #253 — Berlin Blockchain Week — 4-person Zcash presence at BBW/DappCon/Neo-Cypherpunk Summit (June 14–21).
- #252 — Zcash Ghana — Educational adoption initiative.
- #251 — Zallet ↔ zcashd RPC Parity Harness — CLI tool for migration testing. $20k. MVP already in PR #404.
- #249 — Kenya University Education — Privacy/dev education.
- #247 — Women in DeFi Summit 2026 — Event onboarding.
- #246 — ACCUM — Fair Proof-of-Contribution protocol.
- #244 — Formal Verification of Halo 2 in Lean 4 — $201,600 over 18 months for formal proofs of Orchard circuit gadgets. High-quality academic work.
- #242 — PEER28 PEERPORTAL — Claims 170K users for a social network + ZEC payments. Challenged by ZCG member @artkor — unlikely to be approved.
- #240 — Zecret Ballots by Gnosis Guild — $130k for shielded on-chain voting using FHE + ZKPs. Strong team.
- #239 — Rhea Zcash Gateway — Cross-chain DeFi access.
- #238 — Hera's Ledger — Financial tools for vulnerable populations.
- #237 — Zcash Web Gateway — gRPC-web proxy for browser wallets.
- #234 — Zebra Fuzzing Infrastructure — Coverage-guided fuzzing + OSS-Fuzz integration.
- #228 — OneKey Hardware Wallet — ✅ Shielded + transparent ZEC coming to OneKey hardware.
- weave-zec (#233), Shielded Micropayments SDK (#236), QSTN V2 (#235), Sentinel (#226), Veridex (#223) — all declined.
//Protocol & Development
Zebra 4.3.0
Released March 25. Highlights beyond the security fixes: ZIP-235 Network Sustainability Mechanism support, fixed Regtest block propagation,getblocksubsidy RPC miner reward calculation fix for pre-Canopy blocks, and improved profiling tooling. Network now running /Zebra:4.3.0/.
ZF Engineering Update (March 9–22)
Posted March 24. Key items: Zallet progressing onz_importkey/z_exportkey for Sapling (RPC parity with zcashd). Active ZIP work on block time reduction (75s→25s proposal), ZIP 316 Rev 2, ZIP 2003/2004 (NU7 planning), and ZIP-204 P2P protocol. FROST: COCKTAIL-DKG tracking opened; frostd can now bind to non-loopback addresses.
Zaino 0.2.0 Stable
Released March 25. The Rust-based block data layer replacing lightwalletd is now production-grade after months of RCs. ZCG called it "focused on getting it ready for real-world use."Zingolib v3.0.1
Released March 26. Bug fixes: webpki-roots downgrade revert, Windows SQLite compatibility, pepper-sync v0.3.0.Z3 Weekly Dev Update
Pacu posted the latest Z3 update on March 27. Regular cadence continues.SDK Crate Versions (unchanged this week)
| Crate | Latest | Notes |
|---|---|---|
zcash_client_backend | 0.21.2 | Released Mar 10 |
orchard | 0.12.0 | Dec 2025 |
zcash_primitives | 0.26.4 | Dec 2025 |
//Tweets of the Week
"What happens to financial privacy in an AI-native world? Zcash offers one answer: optional privacy, with selective disclosure when needed. Privacy isn't a feature. It's infrastructure."
"This Canton guy has 'co-author of Zcash's zkSNARK' in his bio, which is basically a total lie? He apparently contributed some code to libsnark circa 2014, mainly the gadgetlib2 portion of it that we never used in Zcash."
"When the sun comes up, I open my curtains so I can see the beautiful world. When it goes down again, I close them so that passersby can't see into my home. That's normal."
//Forum Highlights
- Zwap: Unlinkable Cross-Chain Atomic Swaps — @Aditya posted research into HTLC-free cross-chain swaps that don't leak the shared preimage across chains. Standard HTLCs use the same hash on both sides, making swaps linkable — Zwap aims to fix that. Early stage but getting positive community feedback.
- Silo Private AI Chose ZEC as Payment Layer — Freysa AI's "Silo" platform explained why they picked ZEC: credit card payments break the privacy guarantee of a TEE-based AI platform. Now accepting ZEC alongside Stripe/Apple Pay. A concrete example of "privacy needs private payments."
- Zcash Society (ZS): Privacy Governance Framework — @Michae2xl and others published a framework connecting network societies, cypherpunk values, and Zcash privacy infra for anonymous governance. Thought leadership positioning Zcash as governance infrastructure.
- ZODL Update (March 23) — Josh Swihart's team update revealed Zodl processed $460k in swaps and 6,300 transactions in February (up from $394k in January). iOS at 39.2k installs, Android at 15.6k. Also confirmed Foundry mining pool launching April 2026 and mentioned CipherPay's Luma event ticketing integration.
//Privacy Corner: Why Timing Matters
Shielding and immediately unshielding is like putting on a disguise and taking it off in the same room.When you move ZEC from a transparent address into the shielded pool and then quickly move it back out, the timing creates a link. An observer can match the deposit and withdrawal by amount + proximity — even without seeing inside the pool.
Better approach:- Let shielded funds sit for at least several days before unshielding
- Longer dwell time = more transactions between your shield and unshield = harder to correlate
- Even better: stay shielded. Use shielded-to-shielded transactions whenever possible
//Network Snapshot
| Metric | Value | 7d Change |
|---|---|---|
| ZEC Price | $215.67 | -0.6% |
| Market Cap | $3.59B | — |
| 7d Volume | $2.26B ($282M/day avg) | — |
| Block Height | 3,289,310 | — |
| Network Upgrade | NU6.1 (Zebra 4.3.0) | — |
| Chain Size | 254.7 GB | — |
//Zcash Privacy Index
Powered by CipherScan — live data from the Zcash blockchain.| Metric | Value | 7d Change |
|---|---|---|
| Privacy Score | 31 / 100 | unchanged |
| Shielded Pool | 5,149,687 ZEC (31.0% of supply) | -6,163 ZEC |
| Orchard Pool | 4,509,339 ZEC (87.6% of shielded) | -2,831 ZEC |
| Sapling Pool | 614,923 ZEC | -1,363 ZEC |
| Avg Shielded TX/Day | 1,149 | -78 (↓6.3%) |
| Shielded TX % | 31.7% of daily txs | +1.7pp |
Cross-Chain Activity (24h)
| Metric | Value |
|---|---|
| Volume | $859,204 across 316 swaps |
| Top Inflows | Arbitrum ($104K), Solana ($84K) |
| Top Outflows | Ethereum, Tron, NEAR |
| All-Time Swaps | 102,494 ($1.36B total volume) |
Network Health
| Metric | Value | 7d Change |
|---|---|---|
| Active Nodes | 282 across 33 countries | +9.3% |
| Tor Nodes | 21 | — |
| Avg Ping | 148 ms | — |
| Hashrate | Near all-time high | — |
//Tool Updates
- CipherScan — Added a mempool preview card on the homepage so you can see pending transactions without leaving the main view. Also redesigned the cross-chain tracking page — every ZEC swap via NEAR Intents with volume, latency, and top pairs, all on-chain. Over 100K swaps tracked. cipherscan.app
- CipherPay — Big week. Launched the Machine Payments Protocol (MPP) — AI agents can now pay for APIs with shielded Zcash, and the server never sees who paid. Also shipped Luma event ticketing integration (ZODL featured it in their team update for PGP for Crypto events), agentic prepaid sessions with replay protection, and the WooCommerce plugin is now being prepared for WordPress.org Plugin Directory submission. cipherpay.app
- Zipher — zipher-cli (alpha) shipped phases 0–4 this week: headless agent wallet with x402 paywall support, MPP client, NEAR Intents cross-chain swaps, UFVK/UIVK key export, and auto-sync. Available as
@cipherpay/zipher-clion npm. GitHub
//What's Ahead
- Mar 31 — Coinholder-Directed Grants Q1 voting closes (11:59 PM UTC)
- April — Foundry Services institutional Zcash mining pool launch
- June 14–21 — Berlin Blockchain Week (ZCG grant #253 under review for Zcash presence)
- Upcoming — Shielded voting ZIPs (following @greg0x PRs to Zodl repos)
- Upcoming — Zallet alpha.4 (P2SH support, rewind-to-chain-state)
- Upcoming — Zcomm 2026 session recordings on YouTube