ledgers

Caching In the Past Is a Rare Event

How domain knowledge turns caching into an easy problem

Mar 12 •

If Amazon Can't Figure Out How To Make Money From Blockchain Databases, Nobody Can

Amazon is sunsetting QLDB; if you're a user, your only remaining option is to build it.

Feb 5 •

A Tale of Two Ledgers

How the boundaries between the conflicting ledger modes inform the design of a ledger that could do both.

Jan 15 •

The Intuition of Money

An effective set of concepts for building money software

Jan 8 •

How Modern Treasury Invented Event Locking

Race conditions are the nastiest problem in money software. They've forced engineers to make wrong design choices. Not anymore.

Nov 20, 2024 •

How to design mixed payment methods with store credits

Scaling a convenient alternative to cash refunds sows the seeds for a multi-method payment system, and a sophisticated loyalty program

Oct 9, 2024 •

An Approach To Ledgers That Makes Multi-Currency Not Just Possible, But Easy

Or "How To Embed Everything Into Finance"

Sep 18, 2024 •

Engineers Do Not Get To Make Startup Mistakes When They Build Ledgers

Practical accounting for fintech engineers, and also how not to repeat my silly mistakes.

Sep 11, 2024 •

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