When you have a code bug, before raising any issue on GitHub, please have a check on the Ethereum documentations, freely available via any search engine. Then, ask the same in the Ethereum stack exchange. In most of the cases, you will not be the lone person who has faced that bug. So, the solution to your problem might be already out there on the web. The last resort is to raise an issue in the GitHub. GitHub is a code repository with version control freely available to all. Most of the blockchain related source codes are available on GitHub. I will show you how I raised an issue for the LETH wallet app for Android, which was discussed in Chapter 2, Grokking Ethereum:

• Identifying issue: While uploading picture files to the chat window, which uses whisper communication protocol, there is no option to provide a message or caption, as we can do in chat...