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Zcash Builders Program · Cohort 01 · 2026
● Cohort 01
Stage 0 · Week 3
Overall Progress
28%
15 / 54 lessons
Labs Submitted
2/ 8
Next: Testnet Lab
Stage
00
Fundamentals
Streak
4days
Keep it going
ZEC Earned
0.5
Testnet rewards
00
Prerequisites
Blockchain Fundamentals
Progress
15 / 20
▶⛓️
What is a Blockchain?
4 lessons · ~30 min
✓ Done
✓
What is a Blockchain?
Completed
ReadingVideo
8 min
✓
Decentralized Computer
Completed
ReadingVideo
7 min
✓
Blockchain Use Cases
Completed
ReadingVideo
8 min
✓
Payments Use Case
Completed
ReadingVideo
7 min
▶📒
The Ledger & UTXOs
2 lessons · ~15 min
✓ Done
✓
Account Balances & UTXOs
Completed
ReadingVideo
8 min
✓
The Ledger
Completed
ReadingVideo
7 min
▶#️⃣
Cryptography Basics
3 lessons · ~25 min
✓ Done
✓
Hash Functions
Completed
ReadingVideo
10 min
✓
Merkle Trees
Completed
ReadingVideo
8 min
✓
Cryptographic Signatures
Completed
ReadingVideo
8 min
▶⛏️
Mining & Consensus
4 lessons · ~35 min
✓ Done
✓
Transaction Ordering
Completed
ReadingVideo
8 min
✓
Longest Chain Consensus
Completed
ReadingVideo
8 min
✓
Transaction Lifecycle
Completed
ReadingVideo
9 min
✓
Mining & Proof of Work
Completed
ReadingVideo
10 min
▶🪙
Coins, Tokens & ZEC
5 lessons · ~40 min
2 / 5
✓
Sybil Protection
Completed
ReadingVideo
8 min
✓
Native Tokens & ZEC
Completed
ReadingVideo
8 min
Bitcoin vs Zcash
Up next · 12 min
ReadingVideo
🔒
Wrapped Tokens & Interoperability
Locked
Reading
9 min
🔒
Token Decimals & Zatoshis
Locked
Reading
7 min
▶🔬
Chain Mechanics
2 lessons · ~15 min
Locked
🔒
Blockchain as a State Machine
Reading
8 min
🔒
Why Testnets Exist
Reading
7 min
01
Stage One
Understand Zcash
Progress
0 / 14
▶🔐
Zcash Fundamentals
5 lessons · ~50 min
Locked
🔒
What is Zcash?
Complete Stage 00 to unlock
ReadingVideo
10 min
🔒
Privacy vs Transparency
ReadingVideo
9 min
🔒
Shielded Transactions
Sprout, Sapling, Orchard
ReadingVideo
12 min
🔒
Viewing Keys
Selective disclosure for compliance
ReadingVideo
10 min
🔒
zk-SNARK Basics
Zero-knowledge proofs explained
ReadingVideo
12 min
▶🏗️
Zcash Architecture — Z3 Stack
4 lessons · ~40 min
Locked
🔒
Legacy zcashd Deprecated
Replaced by Zebra (zebrad)
Reading
8 min
🔒
Zebra — Consensus Node
Rust-based full node by Zcash Foundation
ReadingVideo
10 min
🔒
Zaino — Data Access Layer
gRPC API between nodes and wallets
ReadingVideo
10 min
🔒
Zallet — Wallet Layer
ZODL\'s modular wallet daemon
ReadingVideo
10 min
▶🌐
Network Fundamentals + Lab 01
5 lessons + Lab · ~60 min
Locked
🔒
Nodes & Peers
Reading
9 min
🔒
Mempool
Reading
8 min
🔒
Blocks & Finality
Reading
9 min
🔒
Consensus Rules
Reading
8 min
🔒
RPC Basics
Reading
10 min
🔒
Lab 01 — Explore the Zcash Testnet
Hands-on · ~2 hr
LabVideo
02
Stage Two
Build with Zcash
Progress
0 / 18
▶🛠
Developer Tooling
5 lessons · ~45 min
Locked
🔒
Zingolib
Production Rust wallet library
ReadingVideo
12 min
🔒
Lightwallet Protocol
Compact blocks and light client scanning
Reading
10 min
🔒
JSON-RPC in Depth
Exchange and infrastructure integrations
Reading
10 min
🔒
Zaino APIs
gRPC interface for wallets and apps
ReadingVideo
11 min
🔒
Wallet SDKs
iOS Swift SDK and Android Kotlin SDK
Reading
12 min
▶💻
Application Development
5 lessons + Lab 02 & 03 · ~60 min
Locked
🔒
Wallet Development
Reading
12 min
🔒
Payment Integrations
Reading
11 min
🔒
Shielded Transaction Flows
Reading
12 min
🔒
Merchant Tools (ZIP-321)
Payment request URIs
Reading
10 min
🔒
Privacy-Preserving UX
Reading
10 min
🔒
Lab 02 — Build a Wallet Dashboard
Lab
~3 hr
🔒
Lab 03 — Build a Payment Gateway
Lab
~4 hr
▶📦
Infrastructure
4 lessons + Lab 04 · ~50 min
Locked
🔒
Run Zebra
Setup, config, and monitoring
ReadingVideo
12 min
🔒
Connect to Zaino
ReadingVideo
10 min
🔒
Query Chain Data
Reading
10 min
🔒
Broadcast Transactions
Reading
9 min
🔒
Lab 04 — Deploy Zebra + Zaino on a VPS
Lab
~3 hr
03
Stage Three
Contribute to Zcash
Progress
0 / 14
▶🚀
Open Source Contributions
5 lessons + Lab 05 · ~55 min
Locked
🔒
Contribute to Zebra
Reading
12 min
🔒
Contribute to Zaino
Reading
10 min
🔒
Contribute to Zallet
Reading
10 min
🔒
Contribute to Zingolib
Reading
10 min
🔒
Community Tooling & ZCG Grants
Reading
10 min
🔒
Lab 05 — Submit a PR to a Zcash Repo
Lab
~4 hr
▶📚
Ecosystem Contributions
4 lessons · ~35 min
Locked
🔒
Writing Documentation
Reading
10 min
🔒
Testing & QA
Reading
9 min
🔒
Bug Reports
Reading
8 min
🔒
Developer Education
Reading
9 min
🏆 Capstone · Final Stage
Ship. Contribute. Present.
Four deliverables that prove you're a Zcash developer. Build on mainnet. Merge a PR. Present on demo day.
Lab 06Build a production app on Zcash infrastructure
Lab 07Deploy on mainnet with real ZEC transacted
Lab 08Merge a PR into an official Zcash repository
Demo DayPresent your project to the Zcash community