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Cybersecurity / Creator on X

Charles Guillemet

@P3b7_

CTO at @ledger. Busy securing the blockchain revolution. Cryptography, (Hw) Security, Tech, Blockchain. Previously built the Donjon (@DonjonLedger)

  • Based in France
  • Posts in English
P3b7_.profile
Charles Guillemet
CybersecurityCrypto & web3AI researchLLMs
Followers
45,903
Median views / post
6,470
Engagement / views
1.03%
Own posts in sample
20

Observed 21 Oct 2026 · Saved sample, up to 20 own posts.

Ways to collaborate

Give your launch
a familiar voice.

Start with a Boost. Choose the formats that fit your product and budget.

quote.exe

Quote post

Your launch, with their perspective.

€245per collaboration
Plan a quote
post.exe

Original post

A new post built around your brief.

€345per collaboration
Plan a post
repost.exe

Repost

Your original post, shared further.

€105per collaboration
Plan a repost
comment.exe

Comment

Add a voice to the conversation.

€75per collaboration
Plan a comment

Chals Channel rates in EUR, before taxes. The platform fee is added to the creator budget according to your plan. See plans ↗

Behind the profile

Get to know the work.

Charles Guillemet publishes in English about Cybersecurity, Crypto & web3, AI research, LLMs.

Use the topics and the recorded sample to compare this profile with the rest of your shortlist. Match the creator to your product, then build the campaign in your assistant.

How to read these numbers

These are saved observations from up to 20 own posts, not live measurements or a complete calendar period. Median views describe the sample, not promised campaign reach. Engagement is measured against views. A creator’s location does not establish the location of their audience.

a_post_from_the_sample.exe

An example of their content

If you're worried about AI breaking ECDSA and wiping out your Bitcoin in the next few months, at minimal cost,…

44,518 recorded views

Read the original on X ↗

A practical launch guide

Hardware wallet cryptographic assumptions: the @P3b7_ comparison

For hardware wallet cryptographic assumptions, use ChatGPT with Chals Channel to compare @P3b7_ against profiles with related work. The bio combines hardware security and cryptography. Assess a product through explicit trust assumptions, not asset-loss predictions. The comparison below uses saved catalog observations and rates; it does not establish current activity, audience demographics or a creator agreement.

How does @P3b7_ relate to hardware wallet cryptographic assumptions?

The saved catalog associates this profile with Cybersecurity, Crypto & web3, AI research. The bio combines hardware security and cryptography. Assess a product through explicit trust assumptions, not asset-loss predictions.

Explain the trusted components and supported verification process. Check the linked original example and the profile bio for context. A prominent personal or unrelated post should not be treated as evidence about a technical product or buyer demand.

What should Claude or ChatGPT compare?

The observation dated 2026-10-21 records 45,903 followers, 6,470 median views per sampled post and 20 own posts. Followers describe account size; the median describes this saved sample. Neither measures unique campaign reach or predicts your launch results.

@hrkrshnn is catalogued with Cybersecurity, AI agents; its saved sample has 3,476 median views across 13 own posts, observed 2026-10-27. @infinitelogins is catalogued with Cybersecurity, AI research; its saved sample has 3,016 median views across 19 own posts, observed 2026-10-27. Compare the linked work and the product explanation before preferring a larger figure. Different observation dates and samples are not a controlled campaign comparison.

What do the saved format rates mean for a launch?

The saved quote-post rate for @P3b7_ is €245. In an illustrative €1,000 creator budget, one quote uses 24.5% and leaves €755. A quote plus one comment from this profile would use €320 of creator spend. These are arithmetic examples using the listed formats, before account-specific platform fees and tax; they are not reach forecasts or confirmed creator participation.

Start with Boost when your brand owns the main launch post: a quote adds a perspective, a comment adds discussion and a repost reshares the original. Use a sponsored original when the explanation needs its own post. Research and planning are free; review the actual booking on the Chals Channel website.

How can I prepare a brief for hardware wallet cryptographic assumptions?

Explain the trusted components and supported verification process. Give the assistant the product, intended user, launch date, time zone and creator-spend ceiling. Ask what evidence is still missing before it recommends a shortlist.

Keep the observed profile data separate from the proposed demonstration. The saved sample is not live analytics, a creator location is not audience geography, and a public listing does not establish availability or endorsement.

Try this in your assistant

Use Chals Channel to compare X creators for hardware wallet cryptographic assumptions with ChatGPT. My product is [product], used by [intended user] for [task]. Compare @P3b7_ with @hrkrshnn and @infinitelogins. For the brief: Explain the trusted components and supported verification process. Explain the fit and exclusion reasons, show observation dates and sample sizes, and compare listed format rates. Ask for my budget and launch date. Propose Boost first and keep booking for my review on the website.

By Chals Channel · Editorial updated . Profile observations: 21 Oct 2026. How campaigns work ↗

Compare more creators · Connect Claude · Connect ChatGPT

your_next_launch.exe

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Claude

https://chalschannel-marketplace-73388336062.europe-west1.run.app/mcpOpen Claude ↗

ChatGPT

https://chalschannel-chatgpt-manual-73388336062.europe-west1.run.app/mcpOpen ChatGPT ↗

Review and confirm any booking on the Chals Channel website.