🤝
Make a deal with Fretchen
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
11
Account age
0 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Fretchen
📊 Post engagement
1
Avg engagement / post
9.1%
Engagement vs followers
Oct 2025
On Mastodon since
🔥 Top post: In the last weeks, I started to have a deeper look into the quan · 1 likes + reposts
📊 Activity & format
Posting cadence
2.9 / week
Posts several times a week.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.4×
Follows 30 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
What if your AI art could outlive the platform that generated it? I built an NFT gallery using ERC-721 Enumerable contracts to explore how smart contracts enable true digital ownership—even for synthetic media. The key? Upgradable contract…
Quantum computing isn’t just math—it’s built on the messy reality of atoms and lasers. My AMO lecture notes break down how spectroscopy maps quantum states, why scattering experiments reveal hidden symmetries, and what it all means for qub…
A year ago I built an AI assistant that accepted anonymous payments. Ironically, it required to store for each message who paid, when, and how much.
Migrating it to x402 payment channels removed that trade-off almost completely: one deposi…
Quantum mechanics isn’t just Schrödinger’s cat—it’s a whole toolkit. Lecture 7 of my AMO series ditches the ‘boring’ hydrogen atom to explore multi-electron systems, where electron correlation breaks textbook simplicity. Dive into the mess…
What if payment rails could be as simple as sending a DM? The x402 facilitator on Optimism & Base cuts through the noise: 0.01 USDC flat fee, no middlemen, just pure settlement. Open-source, API-ready, and live with interactive USDC approv…
Lasers are the backbone of quantum experiments. Ever wondered how coherent light enables precision in AMO physics? Lecture 11 breaks down laser fundamentals, from population inversion to cavity design. Essential for anyone diving into quan…
Why do two qubits outperform twice the power of one? Entanglement isn’t just a party trick—it’s the backbone of quantum parallelism. In QML 104, we break down how multi-qubit systems unlock exponential speedups for machine learning. No han…
What if Python ran in your browser—no install, no server? Pyodide & JupyterLite are making it real. Imagine sharing interactive data science notebooks as easily as a link. https://www.fretchen.eu/blog/5?utm_source=mastodon&utm_campaign=gro…
What happens when atoms dance to the rhythm of oscillating fields? Lecture 4 dives into AMO physics, revealing how controlled perturbations unlock quantum coherence—key for scalable quantum hardware. A must-read for those bridging theory a…
Quantum mechanics doesn’t just bend reality—it also changes the rules of computation. Did you know superposition lets a qubit encode *both* 0 and 1 simultaneously? Dive into the fundamentals of quantum tech, from wavefunctions to entanglem…
What if your blog could be *as version-controlled as your code*? Mine now is—thanks to React + Vike. No more CMS bloat, just pure speed and git-native workflows. Here’s how I unified scattered notes into a stack that actually scales: https…
🐘 Community & instance
Home server
mastodon.social
A large general-interest Mastodon server. On the fediverse the server a creator picks hints at their community — this one spans all topics.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Oct 2025
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2025.
👁️Averages 1 views per post.
📤Posts about 2.9× per week.
🕵️ Fake follower check
Estimated76/100
Good
Credibility score
95%
Real
Real audience
Low
Fake-follower risk
Medium
Data confidence
- Est. 95% real, active audience · Low fake-follower risk.
- Strong engagement (~9.1% of followers engage each post) — an active, real audience.
- Verified account.
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
https://fretchen.eu
Notes, essays and things I built while working topics out.
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Frequently asked questions
How much does Fretchen charge for a sponsorship?
Fretchen hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
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How many followers does Fretchen have?
Fretchen has 11 followers on Mastodon.
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