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Aleksei Udovenko

Aleksei Udovenko✓

Mastodon @hellman@mathstodon.xyz
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🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite Aleksei Udovenko onto your podcast (~45 min, remote) $26→

Every booking is a normal escrow-protected deal.

Followers
267
Account age
3 yrs
🧰 Free analysis for Aleksei Udovenko
🕵️ Fake follower check 📊 Engagement rate 💰 What they charge

Known for

Was playing with some graphs and stumbled on this one. Wondering whether it's easy to guess the equation, I asked ChatGPT... #TilingTuesday #AI9 views Was playing with some graphs and stumbled on this one. Wondering whether it's easy to guess the equation, I asked ChatGPT... #TilingTuesday #AI Pay-or-be-tracked at springer professional.. Another reason not to publish with them. I hope IACR and other conferences move away from springer ASAP.7 views Pay-or-be-tracked at springer professional.. Another reason not to publish with them. I hope IACR and other conferences move away from springer ASAP. Line at infinity3 views Line at infinity Apparently, we can view the two equations in terms of 𝑎=cos²𝑥, 𝑏=cos²𝑦: (a+1)(b+1)=2 and a^0.8 + 𝑏^0.8 = 1. Since cos² outputs to [0, 1], we only need to check this range, and the two functions are quite close there. This explains why the two tiling-like graphs are so close!1 views Apparently, we can view the two equations in terms of 𝑎=cos²𝑥, 𝑏=cos²𝑦: (a+1)(b+1)=2 and a^0.8 + 𝑏^0.8 = 1. Since cos² outputs to [0, 1], we only need to check this range, and the two functions are quite close there. This explains why the two tiling-like graphs are so close!

📊 Post engagement

5
Avg engagement / post
1.9%
Engagement vs followers
Nov 2022
On Mastodon since

🔥 Top post: I am (still) looking for a #postdoc on #cryptanalysis of post-qu · 12 likes + reposts

📊 Activity & format

Posting cadence
0.16 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 6 text · 6 image · 0 video.
Follower / following
3.5×
Follows 76 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post I am (still) looking for a #postdoc on #cryptanalysis of post-quantum signatures (1.5 years duration, starting soon), in Luxembourg. The scope is broad though code-based / multivariate / equation solving experiences are preferable. More details on https://iacr.org/jobs/item/3875… ★ 12
Interesting variation of Jupyter Notebook https://codecut.ai/marimo-a-modern-notebook-for-reproducible-data-science/ ★ 4 Our paper https://ia.cr/2026/913 shows how to find affine maps agreeing with an S-box on as many as possible inputs. Look for presentation at #Eurocrypt 2026 today! The code is already available. Also check out a vide-coded interactive too… ★ 5 Our paper about cryptanalysis of AIM2 is on the front page of eprint 😀 Look for tomorrow's presentation at #Eurocrypt 2026. I will share more details later. https://ia.cr/2026/903 ★ 5 Apparently, we can view the two equations in terms of 𝑎=cos²𝑥, 𝑏=cos²𝑦: (a+1)(b+1)=2 and a^0.8 + 𝑏^0.8 = 1. Since cos² outputs to [0, 1], we only need to check this range, and the two functions are quite close there. This explains wh… ★ 1 ... but my original one was (cos²𝑥+1)(cos²𝑦+1)=2 ! Here is an overlay of the two: Pretty amazingly, just from the picture it guessed \[ |\cos x|^{1.6} + |\cos y|^{1.6} = 1 \] which looks like this: ★ 1 Was playing with some graphs and stumbled on this one. Wondering whether it's easy to guess the equation, I asked ChatGPT... #TilingTuesday #AI ★ 9 Apparently I can only get a #Eurocrypt paper (or two) once every 5 years 🙃 (since 2016) No rump session recordings or even slides for Eurocrypt / Crypto 2025? :( ★ 4 Pay-or-be-tracked at springer professional.. Another reason not to publish with them. I hope IACR and other conferences move away from springer ASAP. ★ 7 Line at infinity ★ 3

🐘 Community & instance

Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ 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
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.

💡 Facts

🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 5 views per post.
📤Posts about 0.2× per week.

🕵️ Fake follower check

Estimated
89/100
Excellent Credibility score
99%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 99% real, active audience · Low fake-follower risk.
  • Strong engagement (~1.9% of followers engage each post) — an active, real audience.
  • Verified account.
  • Established account (3+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Cryptography researcher, CTF player White-box cryptography, symmetric-key cryptography, Boolean functions, cryptanalysis in general

📸 Gallery

Apparently, we can view the two equations in terms of 𝑎=cos²𝑥, 𝑏=cos²𝑦: (a+1)(b+1)=2 and a^0.8 + 𝑏^0.8 = 1. Since cos² outputs to [0, 1], we only need to check this range, and the two functions are quite close there. This explains why the two tiling-like graphs are so close! ... but my original one was (cos²𝑥+1)(cos²𝑦+1)=2 ! Here is an overlay of the two: Pretty amazingly, just from the picture it guessed \[ |\cos x|^{1.6} + |\cos y|^{1.6} = 1 \] which looks like this: Was playing with some graphs and stumbled on this one. Wondering whether it's easy to guess the equation, I asked ChatGPT... #TilingTuesday #AI Pay-or-be-tracked at springer professional.. Another reason not to publish with them. I hope IACR and other conferences move away from springer ASAP. Line at infinity

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

shōchi @Fischkopp shōchi @Fischkopp 18% Allen Goodman Allen Goodman 18% CT Liotta CT Liotta 16% EINGFOAN :donor: EINGFOAN :donor: 16% Bahadır Bahadır 10% gabi gabi 10%

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