Track your cryptocurrency portfolio with Google Spreadsheets

Buying and trading cryptocurrencies is all the rage right now. But how do you actually keep track of your investments? Especially if you do them on various websites. There are a few websites out there that allow you to do this, but most of them are rather complex.

Instead I made a simple spreadsheet in Google Drive and added a little Google Script magic to it so that it automatically updates my losses/profits. Let's take a look at how it works!

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Writing a tiny blockchain in JavaScript

Almost everyone has heard about cryptocurrencies like Bitcoin and Ethereum, but few people actually know how the technology behind these work. In this blog post I'll create a simple blockchain in JavaScript to demonstrate how they work internally. I'll call it SavjeeCoin!

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Using Duplicity to Backup LXC Containers

Last year I wrote a blog post about how to use LXC containers on a VPS. I've been running this setup for quite a while now and it has been great. However, my approach involved making full copies of my containers. Not very space or cost efficient!

So it was time to revisit my backup strategy: I started using Duplicity to take incremental and encrypted backups of my LXC containers. I also switched from Amazon S3 to BackBlaze B2 to further reduce my storage costs.

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My First Year on YouTube

Exactly one year ago I started my YouTube channel. It was something I wanted to do for a long time, but only got around to last year. In this post I will reflect on my first year on YouTube. I'll share my experiences with starting and growing a YouTube channel. I'll also go over the things I've learned throughout the year and I'll give some advice for others.

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Review EC Technology sports headphones

Last year I reviewed two pairs of bluetooth earphones: the QCY Qy7 and a pair from EC Technology. I've been really impressed with both these earphones because they are cheap, comfortable and easy to take with you. However, a couple of months ago I started to run three times a week. With that new habit came a new desire: find decent wireless sport headphones that don't fall out of my ears.

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