I'm Thomas, a hands-on CTO for regulated fintech in Europe. More on thomaswiesner.com.
🔭 I’m currently working on
- Assetera as CTO: a MiFID II licensed investment firm for tokenized securities
- flash-agents: let Claude Code steer while cheap workers do the typing
- PrivateGoat: a local-first meeting and Jira assistant for macOS
- Blockchain Courses
It's October 2026, and the last four months were the most intense of my career.
In June I became CTO of Assetera, a European investment firm licensed under MiFID II. In four months we rebuilt the complete stack: about 15 TypeScript services, six Next.js frontends, Keycloak for identity, KYC and compliance built into the product, and on-chain settlement of tokenized stocks on four chains. After years on AWS and CloudFormation, I moved a whole Azure estate into OpenTofu with keyless deploys, and wrote 44 architecture decision records along the way. DORA and MiFID II are now part of my daily vocabulary. I wrote the method down as an execution playbook.
I merged more than 950 of my own pull requests in that time. That only works with AI agents doing the reading and the typing while I keep the architecture and review every diff. Out of that came flash-agents, a Claude Code plugin that hands bounded tasks to a much cheaper model, runs each job in a disposable copy of the repo, and gives back a git patch instead of a story.
I also sit in a lot of meetings now. So I built PrivateGoat, a native macOS app that records and transcribes calls on the Mac with whisper.cpp, summarises them with a local model, and turns action items into Jira tasks. Your meeting audio never leaves the machine. It's a free beta via Homebrew.
After six years as CTO, I left Morpher in May 2026. Permissionless, the stablecoin project with the post-quantum privacy layer, is on ice for now. I'm still a co-founder.
It's May 2025 and the year is in full swing. I was so busy that I didn't find the time to update this brief overview, but that's changing right now. So what have we achieved so far?
A long standing issue of my learning platform ethereum-blockchain-developer.com was that its built on MkDocs-Material. It's awesome, but static. I am long time contemplating migrating it to nextjs, but its about 300 pages with very distinct syntax and features. That's why I started building a drop-in replacement in Nextjs: https://mkdocs-shadcn.org - However, at the end I decided to semi-abandon this project for nextra4. I am therefore focusing my efforts into making nextra4 a breeze to use including a migration drop-in replacement script
I am very busy working on a new kind of Stablecoin that balances algorithmic on-chain properties and hard off-chain promises. More on that a bit later.
We moved Morpher from our proprietary plasma sidechain to Base. Quite an undertaking.
In honor of the old Truffle Dashboard I sat down one weekend and coded an alternative Foundry-Dashboard that even decodes the transactions based on the ABI from the Foundry Build-Artifacts.
I started toying around with RAG+LLMs. My Masters Thesis included a lot of text processing, which comes in handy. I am currently playing with Jan.ai, Nitro and many more or less off-the-shelf products to summarize daily news to get actionale bullet points.
I am also trying to get into Swing Trading. I always did trade based on fundamental news, but never tried to get entries and exits right. Currently reading Bob Volman - Understanding Price Action.
I also finally read up on ERC4337 - Account Abstraction and made a litte video about it.
2023 was a big year for me. I finally got to fully learn Infrastructure as Code. The Morpher Infrastructure is now fully coded in yml files.
Furthermore, I was trying to use Cloudformation in a special way: Building preview environments that clone production: RDS, ECS, Codepipelines with multi-arch builds, Fargate/Spot with EC2 in the mix, and many more. I am a big fan of Vercels previews. I am actively trying to bring them into my workflow with AWS CodePipeline and ECS.
I also started to use NextJS, Tailwind and Framer-Motion. I like those animations a lot.
💬 Ask me about anything, I'm always happy to help.
📫 How to reach me: me at thomaswiesner.com
⚡ Fun fact: The best place in the world to see rainbows is in Hawaii. But I have never been there.
