"It takes considerable knowledge just to realize the extent of your own ignorance."
Tech explanations for dummies by a dummy.
We discussed proving ownership of bitcoins in the previous article. Let’s discuss how verifying transactions works at length in this article. Remember that earlier we learned that the pubkey script has a few scripts in…
This article discusses blockchain account addresses, how they are used to prove ownership of bitcoins and how blockchain transactions work.…
In the previous article, we discussed hashing, asymmetric encryption, and digital signatures. In this article, we will dwell on how blockchain transactions work. An easier way to learn how blockchain transactions work is by following…
In this article we will learn about hashing, asymmetric encryption, and how we use them to produce digital signatures.…
Let’s look at how we can adapt the right mental model of useEffect to fix the exhaustive-deps warning.…
I had a tryst with the eslint exhaustive-deps rule recently. It made me go down the rabbit hole and realize that I have been using the useEffect hook wrong. In this article, I will be…
useTransition and useDeferredValue are two new hooks React introduced with React 18 earlier this year. These two hooks make use of React’s concurrent rendering to allow developers to provide a better user experience in their…
In the previous article, we looked at the motivation behind blockchain. In this article, let’s look at the challenges of a decentralized digital financial transaction system. As we saw in the previous article, in a…
The online literature on blockchain is torn between too simplistic rundowns for non-techies and advanced hieroglyphic riddles targeted at those who want to learn blockchain in depth. When I started learning blockchain, unfortunately, hardly did…
Browser redirection is an integral part of the Open ID Connect (OIDC) authentication flow. At the same time, it is every UX engineer’s nightmare. Of course, we can do nothing to carry out OIDC authentication…
Single-Page Applications (SPAs) are fast becoming ubiquitous as they provide a far better user experience over the traditional multi-page applications. However, as is often the case with app development, a good user experience and security…
Unless you have been living under a rock, you would be very used to authenticating yourself using an authenticator app on your mobile phone. But have you ever wondered how an online service is able…
Before smartphones were popular, hardware tokens that produced an HOTP code were a popular way of performing two-factor authentications. Businesses gave their customers a small electronic device that generated a number when a button was…
HMAC stands for Hash-based Message Authentication Code or Keyed-hash Message Authentication Code. We use it to verify the authenticity and integrity of data transmitted. Here, authenticity is ensuring that the data was indeed sent by…
Even though CIAM and IAM are technologically similar, they both serve two different purposes. Understanding these differences is very important to build a potent CIAM strategy. This article tries to explore these key differences in…
Changing the authorization code redirect URI is one of the ways by which attackers try to game the OAuth 2.0 authorization framework. This article discusses how this attack works in detail and how this attack…