Blog

Development notes.

What we're building, why, and what we learned on the way. Subscribe by RSS.

Aram Zadikian (@brancusi) and Tally

The fact model

Every source broken down to one atom, a fact stamped by a transaction, and built back up into evidence, links and books. The prior art it borrows from, the design, and the database question.

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Aram Zadikian (@brancusi) and Tally

Where your money lives

A working conversation about why financial data is so hard to hold, what ownpurse has to get right to hold it, and the question that started a new data model.

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ownpurse

Introducing ownpurse

Your financial data is spread across a dozen systems, and none of them will show you the whole. ownpurse is a local record of every fact about your money, built for you and your agents.

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ownpurse

The coin and the T-account

How the ownpurse mark came out of a T-account, why it has a face, and why everything built from it is symmetric.

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