Discoverable Bitcoin Private Keys

Today, I came across a story which I found in paste bin. Someone anonymously shared his/her research about discoverable bitcoin private keys with the public. Full information about discoverable private keys research Hi. Thanks for passing this along so it gets some attention. I was worried if I posted this somewhere it would mostly go…

Million of Crypto-currency stolen, reputation on stake

This is the moment when crypto-currency is booming like anything. There are unfortunate incidents happening. Hackers and scammers seeking an opportunity to get their hands on people’s money. The biggest scam cost millions of dollars worth of cryptocurrency. The exact amount is not confirmed. The estimated losses are between $1 million to $3.5 million. The…

Cross Blockchain Transactions Using The Lightning Network

Second testing is successfully completed today. Crypto transactions exchanged across Bitcoin and Litecoin Network. A development team at Lightning Labs recently swapped testnet Bitcoins with testnet Litecoins. All this happened using The Lightning Network. No transaction entry recorded on either of the Blockchain ledgers. This was the second cross Blockchain transaction. First transaction was on-chain…

Invoke webrequest on PowerSheel version 2

There was a requirement in my organization to fetch URL content using PowerShell. We do have Invoke-Webrequest already but it works on PowerShell version 3.0 or later. For earlier versions we can use assemblies to accomplish the same. Below is the classic example for this.

Here I have stored the URL in a variable…

Let’s Encrypt – Free TLS Certificate for all

In order to make HTTPS as default, GitHub based project is open to Public for the first time. It has already been tested with some group of volunteers. Its free and easy to use. There are some major players giving some freebies but this is very straight forward among all of them. The issuing service…

Powershell Script to Execute SSH Commands

Powershell based script which can connect SSH based devices (network, Linux/Unix based devices) and execute any set of commands. It will then take the output and save in multiple txt files. Testing scenario— Backup of 20 Network Device Configuration Took less than 10 Seconds per device Output was saved in multiple text files (each named…