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James Gan
James Gan

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The PayPal Technology Blog

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Migrating from RxJava 1.8 to Spring Reactor 3: First Steps

Introduction: RxJava, Reactor, Reasons to Migrate RxJava and Spring Reactor are libraries that implement the Reactive Streams specification, which allows developers to create asynchronous and event-based programs through streams of data/events. The Reactive Streams specification adds methods that allow a functional style of programming on those streams, and automatically handles scalable multithreading and concurrency.

Rxjava

5 min read

Migration from RxJava 1.8 to Spring Reactor 3: First Steps
Migration from RxJava 1.8 to Spring Reactor 3: First Steps
Rxjava

5 min read


Jan 20

ChatGPT’s First Blockchain Whitepaper

ChatGPT is a great time-saver for certain tasks — can it manage to write academic-style research papers? — Introduction Hi! I’m James. I read the Bitcoin whitepaper in 2009, and thought it was pretty cool. The Great Recession overall got me very interested in Economics, and I later went on to study Economics for my undergraduate degree. I never made money off cryptocurrency, and mostly forgot about it.

ChatGPT

5 min read

ChatGPT’s First Blockchain Whitepaper
ChatGPT’s First Blockchain Whitepaper
ChatGPT

5 min read


Nov 27, 2021

$20 and 2 Hours To Get to the Front Page of an NFT Marketplace

I’ve been interested in NFTs for a while. They tend to get a lot of skepticism — why would anyone pay for digital ownership of an image? Buying art is one thing, and not everyone does that, but buying digital art that anyone can just download: that’s a hard sell…

Nft

3 min read

$20 and 2 Hours To Get to the Front Page of an NFT Marketplace
$20 and 2 Hours To Get to the Front Page of an NFT Marketplace
Nft

3 min read


Sep 7, 2021

Why Crypto cashback makes the Venmo Credit Card is worth getting — and how it could bring…

Why Cash Back to Crypto makes the Venmo Credit Card worth getting — and how it could bring diversity to Cryptocurrency investing Disclaimer: The author of this blog post works for PayPal, the parent company of Venmo, but does not work directly on any Venmo products. This article DOES NOT…

Blockchain

3 min read

Blockchain

3 min read


Nov 28, 2020

I am graduating from Georgia Tech’s Online Masters in Computer Science (OMSCS)! Here’s a review of all the classes I took.

My Background I started OMSCS in Spring 2019 and am wrapping up in about a week. My academic background was Economics from Cornell with minors in tech areas (Computer Science, Information Science); I started while in another (FT) grad program, I got my first job about halfway through the program so dropped…

Computer Science

8 min read

I am graduating from Georgia Tech’s Online Masters in Computer Science (OMSCS)!
I am graduating from Georgia Tech’s Online Masters in Computer Science (OMSCS)!
Computer Science

8 min read


Jun 13, 2020

Blockchain in 10 Minutes: More Than Cryptocurrency & Hype

I’ve created a Blockchain course covering crucial technical topics, including and beyond those mentioned in this article, which is available here and entirely free to take. https://chain.courses/ This article aims to provide an introduction and survey into the research-based, technical foundations of Blockchain in under 10 minutes, by providing a…

Blockchain

9 min read

Blockchain: More Than Cryptocurrency & Hype
Blockchain: More Than Cryptocurrency & Hype
Blockchain

9 min read


May 17, 2019

Landlord asked for your SSN? Here are 3 ways to protect your identity

Most of us have been through this experience: finding an apartment or job where the first thing asked of us it to provide our social security number (SSN) and a copy of our passport. In some cases, we may submit them through a secure and professional looking website. Other times…

2 min read

2 min read


Apr 23, 2019

The Best 3 Improvements For Events

Over the past 5 years I have run ~20 events for organizations including Microsoft Philanthropies and The Tezos Foundation, during which I have been able to save hundreds of thousands of dollars on costs and to regularly increase the NPS of events. …

Events

3 min read

The Best 3 Improvements For Events
The Best 3 Improvements For Events
Events

3 min read


Mar 26, 2019

How to use economics to find the best stablecoins

I’ve created a Blockchain course covering crucial technical topics, including and beyond those mentioned in this article, which is available here and entirely free to take. https://chain.courses/ Introduction: This is converted from a paper written for the University of Washington’s Global Innovation Exchange. As such, the article covers certain introductory…

Stable Coin

21 min read

The Future of Stablecoins Relies on the History of Currency
The Future of Stablecoins Relies on the History of Currency
Stable Coin

21 min read


Dec 30, 2018

Designing Better Cooking Education

Overview This design thinking study was undertaken as part of the Masters of Science in Technology Innovation program at the University of Washington’s Global Innovation Exchange. I spearheaded work on: Product design: leading brainstorming sessions and fleshing out my team’s initial solution and refinements. Creating prototypes: designed and created a paper…

UX

13 min read

Designing Better Cooking Education
Designing Better Cooking Education
UX

13 min read

James Gan

James Gan

188 Followers

SWE @ Affirm. M.S. ’20 @ GT. B.A. '18 @ Cornell.

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