Stephen Blum

ChatJul 6, 2015

Chat Security UserID, Digital Signature Verification

How to build chat user identification using digital signature message verification, an important part of chat security for protecting users and privacy.

Stephen Blum
Stephen Blum
CTO, PubNub
ChatNov 20, 2014

DIY Chat Application for Customer Sales and Support

This blog post walks you through how to build a fully featured chat application that is optimized for customer facing sales and support purposes.

Stephen Blum
Stephen Blum
CTO, PubNub
ChatNov 4, 2014

6 Essentials for WebRTC Video and Voice App Dev

This blog post lists six things you need to know about developing WebRTC video and voice applications. It’s communication, 100% in the browser.

Stephen Blum
Stephen Blum
CTO, PubNub
BuildOct 8, 2014

Real-time Dashboard: Fast and Easy Startup Metrics Tutorial

In this tutorial, we’ll walk you through how to build a fully customizable real-time dashboard for metrics.

Stephen Blum
Stephen Blum
CTO, PubNub
News Sep 29, 2014

PubNub Patches Bash Bug ‘Shellshock’ Vulnerability

PubNub had applied patches to address the Shellshock Bash vulnerability across our entire data stream infrastructure.

Stephen Blum
Stephen Blum
CTO, PubNub
BuildAug 26, 2014

Real-time Collaboration Sync with Parse API and PubNub

By combining the Parse API with PubNub Data Streams you can obtain the ultimate developer toolkit powerful enough to scale your successful mobile app to billions of users. Using the Parse API for user management with large file storage and PubNub for data streams, you can  power live user communication...
Stephen Blum
Stephen Blum
CTO, PubNub
BuildAug 2, 2014

PubNub Welcomes GoInstant Developers with Migration Tools

On August 1st, GoInstant announced the shutdown of their service as of August 31, 2014. PubNub is here to help ease your transition by providing you tools to migrate to our globally replicated network. Unfortunately, if you don’t export your GoInstant data, GoInstant has announced they will delete it...
Stephen Blum
Stephen Blum
CTO, PubNub
BuildJul 18, 2014

Using PubNub and Google Dart to Subscribe to a Bitcoin Feed

Earlier this year we received a question about how to use the PubNub Data Stream Network without an SLA officially supported SDK provided by PubNub. This specific case regarded using Google Dart and PubNub to subscribe to a bitcoin feed. We don’t recommend doing this, and we recommend using the...
Stephen Blum
Stephen Blum
CTO, PubNub
BuildFeb 6, 2014

Creating Real-Time WebGL Visualizations

Create stunning real-time 3D visualizations with WebGL and PubNub. Here’s how…

Stephen Blum
Stephen Blum
CTO, PubNub