# Emin Mahrt

> Posts: Emin Mahrt

- [Fazua Ride 50 speed unlock from a Mac, no box](https://emin.de/posts/fazua-ride-50-speed-unlock-mac) (2026-10-16, guide, Emin Mahrt.) How my agent and I raised the speed limit of a Fazua Ride 50 Evation from 25 to 55 km/h over USB from a MacBook, with firmware 2.04 and an open source tool. Markdown: [index.md](https://emin.de/posts/fazua-ride-50-speed-unlock-mac/index.md)
- [Badass Box 4 on a Fazua Ride 50, the yellow light](https://emin.de/posts/badass-box-4-fazua-ride-50-yellow-light) (2026-10-14, guide, Emin Mahrt.) My Badass Box 4 on a Fazua Ride 50 kept blinking yellow. What the light means, where the magnet goes, what the black ring is for, and what Badass said. Markdown: [index.md](https://emin.de/posts/badass-box-4-fazua-ride-50-yellow-light/index.md)
- [Can sound do what quantum particles do?](https://emin.de/posts/can-sound-do-what-quantum-particles-do) (2026-10-13, explainer, Emin Mahrt.) Sound bends, spreads and interferes like electrons in the double slit. So is sound quantum? Where the comparison works and where it breaks. Markdown: [index.md](https://emin.de/posts/can-sound-do-what-quantum-particles-do/index.md)
- [Riverside 500E faster, bike tuning](https://emin.de/posts/riverside-500e-faster-bike-tuning) (2026-10-13, guide, Emin Mahrt.) A complete how-to for the Riverside 500E: the free magnet hack, the Badass Box, and a KT controller swap, with drawings, part links and test steps. Markdown: [index.md](https://emin.de/posts/riverside-500e-faster-bike-tuning/index.md)
- [What agent ready actually means](https://emin.de/posts/what-agent-ready-actually-means) (2026-09-11, explainer, Emin Mahrt.) Four public scanners now grade whether AI agents can read your site. Here is what each one measures, which checks a static host can never pass, and the exact files and headers that move the score. Markdown: [index.md](https://emin.de/posts/what-agent-ready-actually-means/index.md)
- [My father Nurettin Sezer and the workers who made cinema in Stockholm](https://emin.de/posts/my-father-nurettin-sezer-and-the-workers-who-made-cinema-in-stockholm) (2026-08-31, essay, Emin Mahrt.) My father, Nurettin “Nuri” Sezer, never fitted neatly into one role. Hasan Gül remembers him and the workers who made cinema in Stockholm. Markdown: [index.md](https://emin.de/posts/my-father-nurettin-sezer-and-the-workers-who-made-cinema-in-stockholm/index.md)
- [Cracked lips, neon urine, and two people who took the same pill](https://emin.de/posts/cracked-lips-neon-urine-and-two-people-who-took-the-same-pill) (2026-07-30, essay, Emin Mahrt.) Same B vitamin pill, two people, opposite results. I slept better and my partner couldn't sleep at all. What the studies say and what we test next. Markdown: [index.md](https://emin.de/posts/cracked-lips-neon-urine-and-two-people-who-took-the-same-pill/index.md)
- [I asked my Mac how much AI I burned. It found 45 billion token events](https://emin.de/posts/i-asked-my-mac-how-much-ai-i-burned-it-found-45-billion-token-events) (2026-05-18, essay, Emin Mahrt.) I scanned every AI tool on my Mac for usage logs. About 45 billion token-events and roughly $9.3k at API rates, almost all of it from Codex. Markdown: [index.md](https://emin.de/posts/i-asked-my-mac-how-much-ai-i-burned-it-found-45-billion-token-events/index.md)
- [Nuri, new reality finance Vision](https://emin.de/posts/nuri-new-reality-finance-vision) (2026-05-05, note, Emin Mahrt.) A short FAQ about the vision and goal of Nuri.com. What self-custody means, how passkeys protect your money, and how Nuri makes money. Markdown: [index.md](https://emin.de/posts/nuri-new-reality-finance-vision/index.md)
- [In Perpetual Motion, proud moves to Move D](https://emin.de/posts/in-perpetual-motion-proud-moves-to-move-d) (2026-03-19, essay, Emin Mahrt.) The 2010 proud magazine Berlin interview with Move D. Records since 1983, a stepfather with Pink Floyd records, Sven Väth and falling asleep to music. Markdown: [index.md](https://emin.de/posts/in-perpetual-motion-proud-moves-to-move-d/index.md)
- [Re-architecting the Blockchain Execution Layer, How the FATE VM Solves EVM’s Fundamental Flaws](https://emin.de/posts/re-architecting-the-blockchain-execution-layer-how-the-fate-vm-solves-evm-s-fund-medium-2026-03-19) (2026-03-19, essay, Emin Mahrt.) How Erik Stenman built FATE, a typed VM that makes contracts about ten times smaller and three times faster than on the EVM. Markdown: [index.md](https://emin.de/posts/re-architecting-the-blockchain-execution-layer-how-the-fate-vm-solves-evm-s-fund-medium-2026-03-19/index.md)
- [Cash with wings. Charlie Shrem and Anthony Di Iorio on Bitcoin, freedom and building the browser for value](https://emin.de/posts/cash-with-wings-charlie-shrem-anthony-di-iorio-on-bitcoin-freedom-and-building-t) (2026-03-09, essay, Emin Mahrt.) Our interview with Charlie Shrem and Anthony Di Iorio for PROUD Magazine Berlin, about Bitcoin, freedom and Jaxx. Markdown: [index.md](https://emin.de/posts/cash-with-wings-charlie-shrem-anthony-di-iorio-on-bitcoin-freedom-and-building-t/index.md)
- [How I Used AI to Navigate a Complex Orthodontic Case in East Africa: CBCT Analysis, Provider Vetting, and Getting a Second Opinion Before Braces](https://emin.de/posts/how-i-used-ai-to-navigate-a-complex-orthodontic-case-in-east-africa-cbct-analysi) (2026-02-28, essay, Emin Mahrt.) How we used Claude to read a CBCT scan, find an orthodontist in Nairobi and check a diagnosis before my partner got braces. Markdown: [index.md](https://emin.de/posts/how-i-used-ai-to-navigate-a-complex-orthodontic-case-in-east-africa-cbct-analysi/index.md)
- [From Berlin to Zanzibar: Emin Mahrt on nightlife, community, and why not club](https://emin.de/posts/from-berlin-to-zanzibar-emin-mahrt-on-nightlife-community-and-why-not-club) (2026-01-12, essay, Emin Mahrt.) I grew up in Berlin's underground scene, then a trip to Zanzibar made me co-founder of the Why Not club there. And how that all ties to Nuri. Markdown: [index.md](https://emin.de/posts/from-berlin-to-zanzibar-emin-mahrt-on-nightlife-community-and-why-not-club/index.md)
- [Snowy rooftops at dusk](https://emin.de/posts/untitled) (2026-01-06, photo, Emin Mahrt.) A photo out of the window. Snowy rooftops, trees and the sky at dusk. Markdown: [index.md](https://emin.de/posts/untitled/index.md)
- [Black Holes, the Big Bang, and the Sound of Information](https://emin.de/posts/black-holes-the-big-bang-and-the-sound-of-information) (2025-12-08, essay, Emin Mahrt.) A talk I had with an AI about the start of the universe, black holes and the information paradox, plus a Deep Research report on my idea. Markdown: [index.md](https://emin.de/posts/black-holes-the-big-bang-and-the-sound-of-information/index.md)
- [No true beginning and infinite regression](https://emin.de/posts/no-true-beginning-and-infinite-regression) (2025-12-08, essay, Emin Mahrt.) My idea that the universe has no real start, with pi, black holes and radiation, and what Grok said about it. Markdown: [index.md](https://emin.de/posts/no-true-beginning-and-infinite-regression/index.md)
- [Bridges between Philosophy and Physics](https://emin.de/posts/bridges-between-philosophy-and-physics) (2025-12-06, guide, Emin Mahrt.) I asked how to explain to my girlfriend where philosophy and physics meet. From the early Greeks to Newton, Einstein and Stephen Hawking. Markdown: [index.md](https://emin.de/posts/bridges-between-philosophy-and-physics/index.md)
- [Governing governance: Why human consensus is harder than code](https://emin.de/posts/governing-governance-why-human-consensus-is-harder-than-code) (2025-12-06, essay, Emin Mahrt.) Governance is finding consensus between humans, and that is harder than code. Why voting should be the last resort, and why signaling and delegation help. Markdown: [index.md](https://emin.de/posts/governing-governance-why-human-consensus-is-harder-than-code/index.md)
- [A stateless passkey signer for Bitcoin](https://emin.de/posts/a-stateless-passkey-signer-for-bitcoin) (2025-12-04, essay, Emin Mahrt.) A Bitcoin wallet where the key is never stored. It comes from a passkey PRF, signs inside a tiny signer page and gets thrown away again. Markdown: [index.md](https://emin.de/posts/a-stateless-passkey-signer-for-bitcoin/index.md)
- [Testing the Post by Email Function](https://emin.de/posts/testing-the-post-by-email-function) (2025-12-02, note, Emin Mahrt.) Pretty sure its not working. Markdown: [index.md](https://emin.de/posts/testing-the-post-by-email-function/index.md)
- [Yes, you can work more than 30 hours a day, if you multi-task on two devices](https://emin.de/posts/yes-you-can-work-more-than-30-hours-a-day-if-you-multi-task-on-two-devices) (2025-09-02, photo, Emin Mahrt.) Yes, you can work more than 30 hours a day, if you multi-task on two devices Markdown: [index.md](https://emin.de/posts/yes-you-can-work-more-than-30-hours-a-day-if-you-multi-task-on-two-devices/index.md)
- [Nuri Bitcoin wallet logo](https://emin.de/posts/nuri-bitcoin-wallet-logo) (2025-08-31, photo, Emin Mahrt.) Nuri Bitcoin Wallet Logo Markdown: [index.md](https://emin.de/posts/nuri-bitcoin-wallet-logo/index.md)
- [Iceland](https://emin.de/posts/iceland) (2025-08-29, photo, Emin Mahrt.) Iceland Markdown: [index.md](https://emin.de/posts/iceland/index.md)
- [Passing Facebooks technical interview 2017](https://emin.de/posts/passing-facebooks-technical-interview-2017) (2025-08-28, photo, Emin Mahrt.) Passing Facebooks Technical Interview 2017 Markdown: [index.md](https://emin.de/posts/passing-facebooks-technical-interview-2017/index.md)
- [Relativity theory as a state diagram](https://emin.de/posts/untitled-state-diagram) (2025-08-28, note, Emin Mahrt.) A Mermaid state diagram of special and general relativity, and how it connects to Newton and quantum gravity. Note to self, make it vertical. Markdown: [index.md](https://emin.de/posts/untitled-state-diagram/index.md)
- [The beautiful Mount Meru in Tanzania](https://emin.de/posts/the-beautiful-mount-meru-in-tanzania) (2025-08-27, photo, Emin Mahrt.) The beautiful Mount Meru in Tanzania Markdown: [index.md](https://emin.de/posts/the-beautiful-mount-meru-in-tanzania/index.md)
- [This is a Chicken](https://emin.de/posts/this-is-a-chicken) (2025-08-27, photo, Emin Mahrt.) My Chicken Markdown: [index.md](https://emin.de/posts/this-is-a-chicken/index.md)
- [A Conversation with deerBLN: Inking Love onto the Streets of Berlin](https://emin.de/posts/a-conversation-with-deerbln-inking-love-onto-the-streets-of-berlin) (2025-06-29, essay, Emin Mahrt.) Christian Rothenhagen, also known as deerBLN, talks with proud about his love for Berlin, his tiles on the streets and his skateboard series Markdown: [index.md](https://emin.de/posts/a-conversation-with-deerbln-inking-love-onto-the-streets-of-berlin/index.md)
- [A Conversation with Pentagonik: The Architects of a Scene](https://emin.de/posts/a-conversation-with-pentagonik-the-architects-of-a-scene) (2025-06-29, essay, Emin Mahrt.) proud magazine talks with Don and Kai from Pentagonik, the Berlin netlabel and party series, about how it started, why they do it and where music goes. Markdown: [index.md](https://emin.de/posts/a-conversation-with-pentagonik-the-architects-of-a-scene/index.md)
- [Predictive History, A Bullshit-Fact-Check by Venice](https://emin.de/posts/predictive-history-a-bullshit-fact-check-by-venice) (2025-06-24, summary, Emin Mahrt.) A professor on YouTube predicted a lot of today's Israel and Iran war a year ago. I asked Venice to check his claims point by point. Markdown: [index.md](https://emin.de/posts/predictive-history-a-bullshit-fact-check-by-venice/index.md)
- [The Watermarker: Probabilistic Word-Choice Biasing as a Statistical Fingerprint in LLM Outputs and AI Texts](https://emin.de/posts/the-watermarker-probabilistic-word-choice-biasing-as-a-statistical-fingerprint-i) (2025-06-21, essay, Emin Mahrt.) I thought ChatGPT hides invisible characters in its answers. The real watermark is in the words, and I built a small tool to stamp my own key. Markdown: [index.md](https://emin.de/posts/the-watermarker-probabilistic-word-choice-biasing-as-a-statistical-fingerprint-i/index.md)
- [JustMusic Berlin: Closed as of 18 March 2024](https://emin.de/posts/justmusic-berlin-closed-as-of-18-march-2024) (2025-05-23, note, Emin Mahrt.) On a personal note, and because I just discovered it today, I translated the German version from justmusic.de into English. Justmusic was always an… Markdown: [index.md](https://emin.de/posts/justmusic-berlin-closed-as-of-18-march-2024/index.md)
- [2020 let’s go — investing diary during corona and my first time investing](https://emin.de/posts/2020-let-s-go-investing-diary-during-corona-and-my-first-time-investing) (2025-02-05, essay, Emin Mahrt.) This document was created out of a short chat with my good friend Frederik Eichelbaum who suggested I write down my thoughts around investments so that… Markdown: [index.md](https://emin.de/posts/2020-let-s-go-investing-diary-during-corona-and-my-first-time-investing/index.md)
- [Bypassing Einstein’s “spooky action at a distance” with the “tight cloth” Analogy and Quantum Entanglement](https://emin.de/posts/bypassing-einstein-s-spooky-action-at-a-distance-with-the-tight-cloth-analogy-an) (2025-01-16, essay, Emin Mahrt.) Maybe quantum entanglement works like a tight piece of cloth. Shake one side and the other end feels it, without a wave that has to travel. Markdown: [index.md](https://emin.de/posts/bypassing-einstein-s-spooky-action-at-a-distance-with-the-tight-cloth-analogy-an/index.md)
- [How to Protect Your Bitcoin and Digital Property with Biometric Hardware from nuri.com (my new startup)](https://emin.de/posts/how-to-protect-your-bitcoin-and-everything) (2024-12-13, essay, Emin Mahrt.) I am launching nuri.com a Smart-Card Hardware Wallet with Fingerprint Protection for your Cryptocurrency, Bank or Gmail Account with Passkey Protection. Markdown: [index.md](https://emin.de/posts/how-to-protect-your-bitcoin-and-everything/index.md)
- [ImprovMX create Free Email aliases for your domain Name](https://emin.de/posts/improvmx-create-free-email-aliases-for-your-domain-name) (2024-11-02, note, Emin Mahrt.) and its true what they say. I’ll explain in the upcomming article how you can register your domain via GoDaddy.com (oldschool, i know) and then… Markdown: [index.md](https://emin.de/posts/improvmx-create-free-email-aliases-for-your-domain-name/index.md)
- [Beyond borders, rethinking statehood amid U.S. Elections, immigration conflicts, and the rise of network states](https://emin.de/posts/beyond-borders-rethinking-statehood-amid-u-s) (2024-10-27, essay, Emin Mahrt.) I'm pro helping people, but I also get the state as a company idea. Liberland, Liechtenstein and network states show other ways to run a country. Markdown: [index.md](https://emin.de/posts/beyond-borders-rethinking-statehood-amid-u-s/index.md)
- [Interview by Divining AI](https://emin.de/posts/interview-by-divining-ai) (2024-09-11, essay, Emin Mahrt.) I talked with Divining AI about existence, consciousness and blops of being that can become god-like for a while and shape civilizations. Markdown: [index.md](https://emin.de/posts/interview-by-divining-ai/index.md)
- [Theory versus reality: The manipulation of the masses through media and technology](https://emin.de/posts/theory-versus-reality-the-manipulation-of-the-masses-through-media-and-technolog) (2024-09-11, essay, Emin Mahrt.) My school thesis from 2005 about how media and technology get used to manipulate the masses, from China and Nazi radio to hackers and fake photos. Markdown: [index.md](https://emin.de/posts/theory-versus-reality-the-manipulation-of-the-masses-through-media-and-technolog/index.md)
- [Space Jupiter Four](https://emin.de/posts/space-jupiter-four) (2024-08-30, note, Emin Mahrt.) The first track I ever produced, Space Four Jupiter V8, and how an AI describes it. Markdown: [index.md](https://emin.de/posts/space-jupiter-four/index.md)
- [proud magazine Berlin Issue #1 summarized and interpreted by Claude Sonnet and written into a blog post by Claude Haiku](https://emin.de/posts/proud-magazine-berlin-issue-1-summarized-and-interpreted-by-claude-sonnet-and-wr) (2024-08-02, summary, Emin Mahrt.) I fed the first issue of proud magazine Berlin through a gumloop.com flow. Claude Sonnet summarized it, Claude Haiku wrote the blog post. Markdown: [index.md](https://emin.de/posts/proud-magazine-berlin-issue-1-summarized-and-interpreted-by-claude-sonnet-and-wr/index.md)
- [Kuala Lumpur Photography Day-Trip with OMD-EM5II and Voigtländer 25mm F0.95 and Furaha to the Caves](https://emin.de/posts/kuala-lumpur-photography-day-trip-with-omd-em5ii-and-voigtlaender-25mm-f0-95-and) (2024-07-28, photo, Emin Mahrt.) Kuala Lumpur Photography Day-Trip with OMD-EM5II Micro 4/3 and Voigtländer 25mm F0.95 and Furaha to the Caves Waiting in the lobby for our grab drive. In the car with Furaha 30 min drive to the caves… Markdown: [index.md](https://emin.de/posts/kuala-lumpur-photography-day-trip-with-omd-em5ii-and-voigtlaender-25mm-f0-95-and/index.md)
- [proud Magazine Berlin 00001, the intro](https://emin.de/posts/proud-magazine-berlin-00001-the-intro) (2024-04-05, essay, Emin Mahrt.) Welcome to the first issue of proud Magazine. We are your weapon in the urban jungle, and once we’ve taken over the city there will be chocolate for everyone. Markdown: [index.md](https://emin.de/posts/proud-magazine-berlin-00001-the-intro/index.md)
- [Unlocking the Secrets of the Universe: Gravitational Waves as the Key to the Black Hole Information Paradox](https://emin.de/posts/unlocking-the-secrets-of-the-universe-gravitational-waves-as-the-key-to-the-blac) (2024-02-26, essay, Emin Mahrt.) Gravitational waves could carry the last information of matter before it enters a black hole and solve the information paradox Markdown: [index.md](https://emin.de/posts/unlocking-the-secrets-of-the-universe-gravitational-waves-as-the-key-to-the-blac/index.md)
- [Dolphin Watching in Zanzibar](https://emin.de/posts/dolphin-watching-in-zanzibar) (2023-12-12, photo, Emin Mahrt.) Fishermen fixing their nets on the beach, Bill Gates' private island and the clear water around it where the dolphins hunt. A boat day on Zanzibar. Markdown: [index.md](https://emin.de/posts/dolphin-watching-in-zanzibar/index.md)
- [Crypto Explained #2: What are NFTs?](https://emin.de/posts/crypto-explained-2-what-are-nfts) (2021-10-16, explainer, Emin Mahrt.) The letters NFT mean Non-Fungible Token. Markdown: [index.md](https://emin.de/posts/crypto-explained-2-what-are-nfts/index.md)
- [Crypto Explained #1: What is Bitcoin?](https://emin.de/posts/episode-1-what-is-bitcoin) (2021-07-15, explainer, Emin Mahrt.) Bitcoin, from a non technical perspective Markdown: [index.md](https://emin.de/posts/episode-1-what-is-bitcoin/index.md)

Also available in: [de](https://emin.de/de/author/emin)