Notes

Working notes on signing, proving, keeping.

What we learn building the evidence layer under Ethiopian paperwork — the law as it is actually written, the things that break at scale, and the arguments we have had with ourselves in public.

More writing

Security30 April 2026

Why a passcode, and what it actually proves

One-time passcodes over SMS and email are the most-questioned part of the signing flow. The questions are fair, and the answers are more interesting than “it's secure”.

Saba Mekonnen6 min read
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Design19 March 2026

Designing a signing flow for two scripts at once

Amharic is not a language file you switch on at the end. What building bilingually first changed about the document, the notifications and the audit trail.

The eFirma product team5 min read
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Product11 February 2026

Two thousand signatures, one afternoon

What actually breaks when the same document goes to two thousand people, and what we changed in bulk campaigns so it does not break in public.

The eFirma product team6 min read
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Easier to show than to write about.

Send one document free and look at what comes back with it — the seal, the timestamps, the trail. Everything above, on a document of your own.

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