Subscribe
Sign in
Home
Glossary
Archive
About
free
Latest
Top
Discussions
Don't Be Careful, Be Competent
On the fallacy of "writing code is low level thinking", the ability to get things done, and the Faustian bargain of vibe coding.
Jun 24
•
Alvaro Duran
1
1
Virtual Bank Accounts Are Virtually Inexhaustible
Why are we using unstructured text when a strict alphanumeric ID can do the job better?
May 27
•
Alvaro Duran
2
2
Nobody Got Fired for Uber's $8 Million Ledger Mistake?
LedgerStore became a case study for DynamoDB, and system design publications keep praising it to this day. But the design was abandoned 3 years after it…
Apr 15
•
Alvaro Duran
6
3
2
The Luxury Playbook for Online Businesses
Introducing a different kind of playbook for a different kind of startup
Apr 1
•
Alvaro Duran
1
You Don't Know What a Ledger Is For
You think you do, but you don't
Mar 18
•
Alvaro Duran
4
Modern Treasury's Stablecoin Sandwich
After acquiring Beam, Modern Treasury wants to become the developer-first API for moving money in any form.
Feb 19
•
Alvaro Duran
2
Stablecoins for Skeptics
The last crazy idea from cryptoland may be crazy enough to work
Feb 11
•
Alvaro Duran
TigerBeetle's Stablecoin Mistake
Is there such a thing as "the ultimate fintech database"?
Jan 21
•
Alvaro Duran
2
The Playbook's 2025 Year In Review
The most popular and most important articles on The Payments Engineer Playbook in 2025.
Dec 17, 2025
•
Alvaro Duran
2
Raft Consensus in 2,000 words
Understanding the Understandable Consensus Protocol
Nov 12, 2025
•
Alvaro Duran
2
From Stock Markets To Ledgers, Part I: Fairness
Why fairness, not speed, is the ultimate validation of stock markets
Oct 29, 2025
•
Alvaro Duran
1
1
Why AI Commerce Isn't Going Anywhere
Human Not Present payments are technically possible, but socially unacceptable
Oct 15, 2025
•
Alvaro Duran
3
This site requires JavaScript to run correctly. Please
turn on JavaScript
or unblock scripts
