In Agile, burndown chart visually represent the status of a sprint What is represented in the chart? It depends on what information is important for the team, it can be hour remaining for a story to complete, or the number of stories remaining, or even the number of tasks in the DOING column of the task wall Some examples? ~Representing hours: Hours representation is not very common nowdays, because it doesen’t really represent the stories left, and when there are 1-3 hours left on many stories, it seems like the end is near, but in reality there still is a lot of work to be done ~Representing stories: The representation of stories is preferrend amoung the scrum gurus, It gives[…]

image of a digital fingerprint

ECDSA is a cryptographic alghorithm. What makes it interesting? ECDSA is used to authenticate the origin of a message, like a digital signature How does it work? Well, it uses math, and it does it in a way to make it impossible to know the private key of a signer, but also pretty easy to verify that a signature was generated from a public key What are public and private key? The keys are numbers, very special numbers, the private key must remain secret, so that the public can be shared and signatures can be verified What if someone finds my private key? What if someone finds your email password? he can pretend to be you! In conclusion ECDSA is[…]