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Add Zcash Testnet (TAZ) support - #6282

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j0ntz wants to merge 2 commits into
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jon/zcash-testnet
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j0ntz wants to merge 2 commits into
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jon/zcash-testnet

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@j0ntz

@j0ntz j0ntz commented Oct 22, 2026 •

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Description

Asana task

Adds Zcash Testnet (TAZ) as an opt-in wallet type. The zcashtestnet core plugin is off unless enabled in corePlugins, the same as cardanotestnet. With it enabled, TAZ appears in create-wallet after Zcash, gets the default name "My Zcash Testnet", shows the shielded and transparent receive addresses, and offers the viewing key like mainnet ZEC.

The Zcash wallet migration check also covers zcashtestnet. A separate commit fixes lint warnings in WalletListMenuModal, which this change touches.

TAZ sync stays at 0% until react-native-zcash supports NU7, which testnet activated at height 4,465,026. A local spike that added the NU7 branch ID still stopped scanning at height 4,308,321, also after a wallet data wipe. That upgrade is the scope of the Zcash NU7 readiness task.

CHANGELOG

Does this branch warrant an entry to the CHANGELOG?

  • Yes
  • No

Dependencies

EdgeApp/edge-currency-accountbased#1128

Requirements

If you have made any visual changes to the GUI. Make sure you have:

  • Tested on iOS device
  • Tested on Android device
  • Tested on small-screen device (iPod Touch)
  • Tested on large-screen device (tablet)

Test evidence

bb1a767
Add Zcash Testnet (TAZ) support
2026-10-22

1. taz wallet scene sync stuck 0pct

2. taz receive testnet address

3. testnet pay link prefills send

4. mainnet address rejected

5. taz wallet menu

j0ntz added 2 commits October 22, 2026 11:14
Render the menu option icons through VectorIcon instead of a direct
AntDesign import. Color comes from the theme as before.
Register the zcashtestnet core plugin, off unless enabled in the
config, with Zcash wallet behavior: sync display, birthday height
import from Sapling activation, view key menu item, and the Ironwood
migration status.

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📝 Code Review ⚠️ Failed 2026-10-22T20:21:29.864791Z
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bb1a767 PR opened
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