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Understanding massive ZeroDay impacting Dogecoin and 280+ networks including Litecoin and Zcash

Halborn discovered a massive #ZeroDay vulnerability code-named Rab13s impacting Dogecoin and 280+ networks, including Litecoin and Zcash, putting over $25 Billion of digital assets at risk. To understand the zero-day vulnerability Rab13s, we need to go through some basic concepts. So I would like to explain blockchain and its key characteristics. Blockchain is a data structure used to represent a cryptocurrency. Stores data in a way that allows multiple parties to access it reliably without having to trust one another.

Connecting Laptop and Phone | KDE Connect

I wanted an application which connects my phone with my laptop so that I can get important notifications from my phone to my laptop. First, I tried scrapy; however, It was more like remote desktop protocol, so it was not fit for my purpose. Then I found KDE Connect. I found it useful for my case, as it uses wifi for connection. KDE Connect mobile application has a lot of features.

Using ssh-keygen for generating ssh keys

I wanted to create a ssh key for the web server ssh login. I searched and found this article . I have used ssh-keygen in the past by reading a tutorial, but this time I wanted to learn about it properly After reading the article, I learned I could select the cryptographic algorithm for generating the key. ssh-keygen -t algotype -b keysize -f /path/filename I tried generating the keys with different algorithms and different key sizes.

The Shift

My Nani (maternal grandmother) used to tell me about her experiences and story of the village in which she used to live with her inlaws. She said that women of that time asked each other in the evening if their horses had arrived at their homes. I asked what that meant, and she explained that people used to travel by horse, so by asking about the horse, the ladies meant if the family member or the husband of the lady she asked the question had come or not as travels used to take days at that time.

Transferring domain from Godaddy To Namecheap

Today I received an email from GoDaddy that my domain will expire soon, so I should renew it; when I checked the prices, I was shocked as the renewal price was more than I expected. Then I did my research and found cheaper options were available; initially, I was sceptical about the transfer because i thought the fee I was paying while making a transfer would not count as my renewal fee, but after some research, I found it will.

Googling as a skill

Last year I read an article, “Someone added ‘googling’ as a skill on CV, landed an interview. See viral tweet “. After reading the article and following the original writer’s tweet on Twitter, I saw mixed reaction’s from the Twitter community. Some were praising it, on the other hand; some criticising it. Recently, a friend asked me to make a resume for them as they come from a commerce background and are fresher; I struggled to fill the space in a single-page resume based on their information.

Git Set Go

I graduated this year. A few friends of mine and I ran a student community in our college to create a good culture for everyone on campus. We tried our best the run the community however, due to covid, we were not able to do what we wanted to do initially. As we were visiting college last time for collecting the documents and we had few stickers and t-shirts from GDSC for distribution, my friend Akash and I decided to organise the last event before leaving.

Copy Hypothesis annotations from one group to another

I wanted to copy my public annotations to a different group. However, there is no option available on the website for the same. Furthermore, there were more than 60 annotations, so I did not want to annotate & highlight the same page again. So I started looking for solutions online; I found an article by web.hypothes.is/help Copy Annotations to a New Course . It is intended for teachers; however, I wanted to make it work for myself.

‘Annotating the web: Hypothesis – Web & PDF Annotation’

I have a habit of writing in books while reading them with a pencil, as I try to capture the thoughts which arise when I read the book. But, as nowadays we spend of our time on the internet, I wanted something so that I can keep my throughout written on that webpage, I tried various websites. Then I found Hypothesis – Web & PDF Annotation . It made my life a bit easier.

Permission denied (publickey) Digital Ocean

Today I redeemed Digital Ocean’s offer from the GitHub student pack, which gave me 100$ worth of credit for the next one year, which will be enough for me to learn self-hosting. I created a basic droplet using a non-root user and generated an ssh-key for login; however, I was getting an error “root@ipaddress: Permission denied (publickey).” After reading a lot of blogs yet, I was not able to find the solution.