Lance by the window over the rail tracks

Founder · Engineer · Artist

Lance Ato
Nathaniel Davis

I'm building Sereel, a company providing infrastructure for structured financial products. I write about cryptography, machine learning, and the systems that shape us.

Read my storySee my work
motema ✦zk-odst ✦birr ✦circom-project ✦minnetApp ✦SAFEforDAOs ✦cairo-cmtat ✦motema ✦zk-odst ✦birr ✦circom-project ✦minnetApp ✦SAFEforDAOs ✦cairo-cmtat ✦motema ✦zk-odst ✦birr ✦circom-project ✦minnetApp ✦SAFEforDAOs ✦cairo-cmtat ✦
Now

Building Sereel

Sereel is a company providing infrastructure for structured financial products: tokenizing local stablecoins and local assets, building markets around them, and tuning those markets for liquidity efficiency. The mission: capital markets that anyone, anywhere can participate in.

Visit sereel.com ↗

Selected writing

All 21 essays →
Sep 10On the African Industrial Revolution→Sep 7Money Creation without Banks→Sep 1Trappin' Binary Towers→Aug 18How To Reparations→

Projects

2026 · Cryptography · Binary fieldsBinius & Flock: Two Full AddersOne full adder written twice, as a Binius64 circuit and as R1CS over GF(2) for Flock, to see what a single constraint buys in each system.Technical deep dive →2024 · ZKML · HardwareMotema: The ZKML Geiger CounterDirect donations for Congolese cobalt miners: zero-knowledge machine learning meets a Flipper Zero geiger counter on-chain.Technical deep dive →2026 · ML · TransformersRoPE Attention BenchmarkA single-file benchmark measuring Rotary Positional Encoding’s latency overhead and proving its relative-position property from scratch.Technical deep dive →

From the road

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Kilimanjaro, TanzaniaKilimanjaro, TanzaniaAccra, GhanaAccra, GhanaTokyo, JapanTokyo, JapanBogotá, ColombiaBogotá, ColombiaIstanbul, TurkeyIstanbul, Turkey