Jimmy Song, Principal Blockchain Architect

Jimmy is a startup veteran with nearly 20 years of experience. He caught the Bitcoin bug six years ago and has contributed to a number of open source projects including colored coins, btcd and Armory. Jimmy lives in Austin, Texas with his wife and six kids.


Blockchain 101 - Elliptic Curve Cryptography

In this series of articles, I’m aiming to give you a solid foundation for blockchain development. In the last article, we gave an overview of the foundational math, specifically, finite fields and elliptic curves. In this article, my aim is to get you comfortable with elliptic curve cryptography (ECC, for short). This lesson builds upon the last one, so be sure to read that one first before...

Blockchain 101 - Foundational Math

Getting into blockchain development can be pretty intimidating. There’s a whole host of weird terms that are thrown around like “coinbase” and “merkle root” that not only look odd, but are not obvious. Add to that additional terms that look normal, but mean something specific to blockchain like “transaction”, “block” and “signature”.

Blockchain: Separating Hype from Substance Part Two

Part one of this two-part series took an in-depth look at the Bitcoin blockchain and the properties that add value in a variety of digital transactions. In part two, we look at the key properties of a blockchain, how they apply to public and private blockchains and the value of private blockchains for trading assets beyond bitcoins.

Python 3.5+ Async: An Easier Way to do Concurrency

I spoke at a recent New York Python Meetup Group event hosted by Stack Overflow that focused on Async Programming. My talk was about thirty minutes long and you can watch the full video below. The video is also available on our Paxos YouTube page.

Blockchain: Separating Hype from Substance

“Blockchain” has been a popular term in the financial industry over the last four years. Countless articles have been written about its benefits, how this innovative technology can change the way business is done and what it means for the future.

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