Issues

• Bug in Lesson 2, Chapter 2 (Mappings): Missing validation for 'public' modifier in answer checking

  CryptozombiesHQ/cryptozombies-lesson-code#63 · Filter by author LexExCodice opened on Aug 9, 2026
  1

• Lesson 5 ZombieOwnership: per-token approval is not cleared on transfer (enables post-sale transfer by prior approved address)

  CryptozombiesHQ/cryptozombies-lesson-code#59 · Filter by author VHenriksson opened on Aug 21, 2025

• Unable to register

  CryptozombiesHQ/cryptozombies-lesson-code#57 · Filter by author Adorjann opened on Nov 28, 2024

• lesson/6/chapter/9

  CryptozombiesHQ/cryptozombies-lesson-code#52 · Filter by author lxmliu2002 opened on Jan 20, 2024

• it is wrong answer at the lesson 6 chapter 9

  CryptozombiesHQ/cryptozombies-lesson-code#51 · Filter by author pChao3 opened on Jan 17, 2024

• advanced solidity concepts progress lost ( completed 3-4 exercises and now its showing 0% ).

  CryptozombiesHQ/cryptozombies-lesson-code#45 · Filter by author rishabh2002chauhan opened on Jun 4, 2023
  3

• Compiler warning to update the solidarity version

  CryptozombiesHQ/cryptozombies-lesson-code#38 · Filter by author jaiakash opened on Jun 12, 2022
  1

• Lecture 3 chapter 10, 71% victory

  CryptozombiesHQ/cryptozombies-lesson-code#37 · Filter by author WangDeyao opened on Jun 1, 2022

• Typo in lesson 4

  CryptozombiesHQ/cryptozombies-lesson-code#36 · Filter by author domielias opened on Apr 17, 2022

• Small typo in lesson 3 Chapter 12 French Version

  CryptozombiesHQ/cryptozombies-lesson-code#35 · Filter by author 0xAurelou opened on Apr 14, 2022

• "Pass by value" instead of "pass by reference" in Lesson 1, Chapter 7

  CryptozombiesHQ/cryptozombies-lesson-code#34 · Filter by author abmi108 opened on Mar 8, 2022

• zombies.push(Zombie(_name, _dna)) — 1

  CryptozombiesHQ/cryptozombies-lesson-code#31 · Filter by author veridelisi opened on Jan 25, 2022
  1

• Lesson-1 Chapter-8

  CryptozombiesHQ/cryptozombies-lesson-code#30 · Filter by author himanshu007-creator opened on Jan 23, 2022

• https://cryptozombies.io/en/lesson/12

  CryptozombiesHQ/cryptozombies-lesson-code#27 · Filter by author danielmeyers34 opened on Jan 3, 2022

• https://share.cryptozombies.io/

  CryptozombiesHQ/cryptozombies-lesson-code#26 · Filter by author danielmeyers34 opened on Jan 3, 2022
  1

• Hints on Portuguese

  CryptozombiesHQ/cryptozombies-lesson-code#21 · Filter by author brunobaiano opened on Aug 17, 2021

• Update

  CryptozombiesHQ/cryptozombies-lesson-code#19 · Filter by author Saikou1308 opened on Aug 8, 2021

• Missing Next lesson button (Lesson 5)

  CryptozombiesHQ/cryptozombies-lesson-code#9 · Filter by author TomRvr opened on Apr 18, 2021
  1

• Duplicate zombie when renamed (Lesson 5, Chapter 14)

  CryptozombiesHQ/cryptozombies-lesson-code#8 · Filter by author TomRvr opened on Apr 18, 2021
  2