Entries by Derek Yoo

Blockchain Scalability Trade-offs: How to Choose a Platform

Blockchain scalability is one of the most frequently cited reasons that blockchain adoption isn’t happening faster. The truth is, most blockchain networks are slow when compared to traditional centralized technologies and networks like AWS or the Visa network. Ethereum, for example, can process transactions in the range of 15 transactions per second — and Bitcoin […]

Accelerating Performance of the Algorand Node API

It’s been a few months since we launched our Algorand API as a Service. In that time, we have gotten a lot of great feedback on what is working well and what still needs more work. One thing we have heard and observed ourselves is that certain operations time out and don’t return any data. […]

Choosing a Platform: A Comparison of Ethereum vs Polkadot

Polkadot is one of the most highly-anticipated next-generation, developer-focused blockchains. This comparison with Ethereum, the most widely adopted developer-oriented chain, is meant to help newcomers to the networks understand the differences between the two, and may help developers choose which one to build on. At a high level, the two projects are only partially overlapping. […]

11 Days Validating on Kusama: First Impressions & Emerging Power Dynamics

It has been 11 days since we joined the active validator set for Kusama, and I wanted to share some initial thoughts on the experience in case this is helpful to other validators, nominators, or other participants thinking about engaging with Kusama or Polkadot. The first impression to convey is that interest in Kusama and […]

Here Are the 4 Factors That Convinced Us to Become a Polkadot Validator

We have spent the last several months researching existing and soon-to-be-launched public blockchains, and we have come to the conclusion that Polkadot is an extremely ambitious and interesting project. Many teams are already building projects to be ready by the time the MainNet launches. Given PureStake’s infrastructure and DevOps expertise as a company, the obvious […]

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 […]