Agost's Blog

Written by Agost Biro. Follow me on Twitter

Paxos From First Principles

June 08, 2023

Paxos is a fault-tolerant distributed consensus algorithm invented by Leslie Lamport. A fault-tolerant distributed consensus algorithms lets…

iCloud Keychain Security

April 24, 2022

Apple claims that iCloud Keychain items are end-to-end encrypted, but recoverable with an Apple ID and device passcode even if all devices…

KN95 Mask Price Dataset

October 11, 2020

I’ve started putting together a dataset on KN95 mask prices after seeing masks from AliExpress being sold at a tenfold markup on European…

AWS Serverless Provider Review

April 23, 2020

Serverless Pioneers Amazon Web Services (AWS) pioneered serverless computing and continues to innovate at the highest velocity in the space…

The Serverless Stack

April 23, 2020

What Is Serverless A serverless app is a collection of managed services and some code that ties them all together. The value proposition of…

Introducing Dokklib-DB

February 28, 2020

I’ve released a new Python library for the DynamoDB single table pattern called Dokklib-DB. It’s built on top of Boto3 and should feel…

A Forkable Company

January 29, 2020

A forkable company’s code is not only open source, but also makes it easy to replicate its services. This post explains how that works.

A New Open Source Business Model

January 29, 2020

Independent open source developers need a business model. I believe a subscription model for documentation sites backed by a paywall is the best solution.

Dokknet Paywall Design

January 29, 2020

Dokknet is a paywall-as-a-service for open source documentation sites. This post explains the rational and technical details of the its paywall design.

Mapping Crypto: Common Pitfalls

June 14, 2019

This post maps the challenges of launching a novel payment solution in detail and looks at how the Litecoin, Monero, Ripple, Stellar and Z-cash projects handled them compared to Bitcoin.

Mapping Crypto: A Primer

June 02, 2019

An introduction to Wardley mapping through a simplified example of Bitcoin payments.