Zcash Developers Update 2-26-2021

Zcash Developers Update 2-26-2021

Here are your weekly Zcash updates:

Mark your calendars –

  • Tues, 3/2: Gardening Club w/ guests Brian Hoffman (from OpenBazaar) and Gemini

Community Shout Outs – Shoutout to @wobbzz for setting up a ZcashWiki 3. Shout out to @just_Zart and @carls for sharing your zcash art with the world! Check out The Zeal Battles the Troll Bear – Part 3 and this psychedelic portrait.

DevInfra

  • 4.3.0-RC1 Released and Tested
  • 4.3.0 Tested, Released
    • Detectors updated
    • Apt packages uploaded
    • Testnet faucet updated
    • Debug binaries are now uploaded with every release
  • Explorer.z.cash decommissioned, explorer.testnet.z.cash updated

Core

  • Making great progress on Orchard specification and draft ZIPs for NU5
    • Working toward the Draft ZIP Submission Deadline, March 1st
  • Finished the outline of Halo 2 security proof
  • Merged the hash to curve PR
  • Migrated to traits from the group crate (see the PR here)
  • Making progress on backporting upstream PRs
    • SIP Hash
    • Landed two PRs that were opened in December 2017
  • We’ve added comprehensive changelogs to our Rust crates

Security

  • Working on dependency security (“redwood”)
  • Started project Ouroboros to attack Halo – it has its own board
    • Learning prereqs (inner product argument, Fiat-Shamir, SafeCurves, Poseidon)
  • Engaging with security assessment vendors for NU5 assessments

Wallet

  • Team-wide design sprint focused on Handling Multiple Addresses
  • Bug flow statistics
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