Entries by Derek Yoo

Security Check-up: How to Use Ledger Nano S to Secure Algorand Accounts

Key management can be very stressful to cryptocurrency investors and users who control a large amount of crypto funds. Despite your best efforts, it can be very easy to compromise a key that has had any exposure to the internet, or to hijack a user’s phone, in order to steal their digital assets. So it’s […]

How to Use Multisig and Offline Keys with Algorand

Multisig accounts and offline keys provide a great deal of added security, but are not always simple to set up. To help you get started, I’ve outlined the steps you will need to take to create a multisig account with Algorand and store keys offline on an air-gapped device. For this tutorial, you will need […]

How the Use of Multisig Accounts and Offline Keys Improves Security

Many blockchain networks have added native support for multisig accounts as a more secure option compared to the default single-key accounts that most people use. While a multisig approach has many far-reaching advantages, the primary benefit is drastically improved key security: to complete a transaction, you will need two or more valid keys. This eliminates […]

Getting Started with the Algorand REST API and the PureStake API Service

Since Algorand’s MainNet launch, PureStake has focused on building and delivering highly performant infrastructure to support early adopters of the Algorand network. Earlier this year, we launched an Algorand infrastructure service offering that delivers relay and participation nodes as a service targeted at early supporters and customers that want to be active participants in the […]

DevOps Practices for Crypto Infrastructure, Part II: Authentication, Authorization, Networking, Monitoring, and Logging

Picking Up Where We Left Off In part one of this two-part series, I discussed core DevOps principles that helped guide our crypto infrastructure here at PureStake, and discussed some unique considerations around version control, full stack automation, and secrets management. If you didn’t have a chance to read the first post yet, you can […]

DevOps Practices for Crypto Infrastructure, Part I: Version Control, Full Stack Automation, and Secrets Management

When standing up services that will have cryptographic interactions with a blockchain, the DevOps infrastructure and practices you employ will dictate a lot about the security and reliability of those services. In this two-part series of posts, I will introduce core DevOps principles that will help guide crypto infrastructure creation. I’ll also share different DevOps […]

Participation Keys in Algorand

What Are Algorand Participation Keys? In Algorand, there are 2 types of nodes: relay nodes and participation nodes. Relay nodes serve as network hubs in Algorand, relaying protocol messages very quickly and efficiently between participation nodes. Participation nodes support the consensus mechanism in Algorand by proposing and validating new blocks. Participation keys live on participation […]

Why We Started PureStake

What We Believe Many of us at PureStake were just starting our careers in the mid-to-late 90s, during the first internet wave. Since then, we have spent the last 20-plus years building infrastructure, software, and cloud companies based on the possibilities opened up by the internet. I recall the atmosphere and feeling of those early internet […]