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The Playbook's 2025 Year In Review
The most popular and most important articles on The Payments Engineer Playbook in 2025.
Dec 17
•
Alvaro Duran
From Stock Markets To Ledgers, Part VI: Mechanical Sympathy
3 books to satiate your curiosity and ambition
Dec 10
•
Alvaro Duran
From Stock Markets To Ledgers, Part V: Continuous Deployment
I'm the Andrew Hiller of software releases
Dec 3
•
Alvaro Duran
1
November 2025
From Stock Markets To Ledgers, Part IV: Queues
AMQP failed, but companies building ledgers pretend that it didn't
Nov 26
•
Alvaro Duran
2
From Stock Markets To Ledgers, Part III: Time
I find Feynman’s quote that “nobody understands quantum mechanics” a bit silly.
Nov 19
•
Alvaro Duran
1
Raft Consensus in 2,000 words
Understanding the Understandable Consensus Protocol
Nov 12
•
Alvaro Duran
2
From Stock Markets to Ledgers, Part II: Fault-tolerance
Paxos is Not-Invented-Here consensus. That's why Raft is succeeding.
Nov 5
•
Alvaro Duran
October 2025
From Stock Markets To Ledgers, Part I: Fairness
Why fairness, not speed, is the ultimate validation of stock markets
Oct 29
•
Alvaro Duran
1
2
What payment providers can learn from Go contexts
GOTO may have been “considered harmful” since 1968.
Oct 22
•
Alvaro Duran
Why AI Commerce Isn't Going Anywhere
Human Not Present payments are technically possible, but socially unacceptable
Oct 15
•
Alvaro Duran
2
How To Prevent Cache Stampedes
Think cache invalidation and naming things are hard?
Oct 8
•
Alvaro Duran
What Makes DynamoDB a Good Database Choice for Payments
A database engine for the always-on payments era.
Oct 1
•
Alvaro Duran
2
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