Getting OP_RETURN Bitcoin Messages

This is mainly a note to myself as every time I want to do this I end up searching through my history doing something like this. So here’s the code to extract the OP_RETURN message from the bitcoin blockchain. This needs to be run on the machine running your full node. The output looks like […]

Money As Data

Current ‘Digital’ Money As much as many people use banking apps and send money via their smartphones, money isn’t really digital yet. What do I mean by ‘not digital’? Of course it doesn’t mean you need to physically transfer paper money and metal coins to buy a coffee. You can of course do this digitally […]

Delete Files Using Alteryx

Yet another custom tool for Alteryx to fill a hole in the file handling capabilities without resorting to using the Run Command tool. Available to download and install from Github ( or you can grab a sample workflow including link to the tool from the Alteryx Public Gallery (!app/File-Delete/5f4770d8826fd309c4f9e427) The tool uses the standard Python […]

Credentials – Custom Alteryx Tool

Why Saving Credentials is Hard 🔐 Saving credentials for use in an Alteryx workflow is a very common use case. Maybe you use an API and need to save Client keys or secrets and getting these credentials into a workflow without hard coding is tricky. It’s common to either read from a text file located […]

File Hashing in Alteryx

Identifying Duplicate Files Imagine you have a folder full of files, all with different names, where you need to identify which, if any, are duplicates. You could use the file size but it’s not a guarantee the files are exactly the same just because they are the same size. Hashing files is an easy way […]

You Should Probably Learn To Code

There’s been a clear trend going on for many years now known as ‘No code’ or ‘Low code’. This essentially describes tools or platforms that provide you with a GUI that abstracts away the underlying technicalities so non-technical users can use powerful software. Doing this has been a huge benefit to business since the addressable […]

Web Automation Using Python and Selenium

Selenium is a software library that’s used to automate web browsers. It’s often used to run automated testing but can be used for anything involving a web browser. Since so much software is now running in the cloud and accessible via web interfaces Selenium is ideal for automating lots of manual tasks. There’s libraries available […]