Praveen Perera's Blog

A complete account of the derivation paths, Coldcard states, pad ranges, dice rolls, passphrases, 12-word seeds, and paper wallets tested while searching for the 153 unresolved Wave 1 addresses

A forensic reconstruction of the 1,082 BTC Coldcard Wave 1 drain, the weak seed path behind it, and the 153 addresses that remain unexplained

A proposal for cross-platform Bitcoin wallet backup using WebAuthn PRF, no passwords, no server trust

In this tutorial I will show you how to deploy TimescaleDB 2.0 to a kubernetes cluster using helm 3

In this tutorial I will show you how to install cert-manager to your Kubernetes cluster

In this tutorial I will show you how to provision a loadbalancer DigitalOcean managed Kubernetes cluster

In this tutorial I will be showing you how to backup and upgrade your version of rancher to the latest stable version

In this tutorial I will be showing you how to create Kubernetes (K8s) cluster on DigitalOcean managed kubernetes (DOKS).

A tutorial showing you how to install Rancher on DigitalOcean

Since Ruby 2.0 you can easily have methods that have named parameters with default values.

Do you have a Phoenix application deployed using Dokku?

In this short blog post I want to show you how easy it is to use Ecto validations together with PostgreSQL unique indexes to validate the uniqueness of an association.

This is a complete guide on how to deploy a phoenix application to a VPS using Dokku 0.4.0.