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There Are Only 3 Databases You Can Trust With Your Money
Why the most popular choices are the most risky, and which ones to choose instead.
3 hrs ago
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Alvaro Duran
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
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Alvaro Duran
3
2
1
Ledger Transactions Don't Have to Be Atomic
Up-in-the-airness, and looking at ledgers through the lens of Sagas
Apr 8
•
Alvaro Duran
2
The Luxury Playbook for Online Businesses
Introducing a different kind of playbook for a different kind of startup
Apr 1
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Alvaro Duran
1
March 2026
Why Ledgers Are More Than Data Warehouses of Money
And why integrity, not double-entry, is the foundation of financial software
Mar 25
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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
How to Explain Accounting To Payments Engineers
The limitations of the use of UML-like diagrams to model financial transactions
Mar 11
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Alvaro Duran
4
Why Ledgers Must be Immutable
Ledgers are a “get your shit together” tool.
Mar 4
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Alvaro Duran
3
February 2026
Accounting For Multi-Currency Ledgers
How to break the rules of money and get away with it
Feb 25
•
Alvaro Duran
4
1
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
Ledgers of Catan
The future of accounting is commodity accounting.
Feb 4
•
Alvaro Duran
2
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