Charles Guillemet ✓

@P3b7_ · Paris, France · joined 16 Sep 2018

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

45 619Followers

299Following

5 074Posts total

856.1KViews on collected posts

Against accounts of the same size

6 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views28 958this account2 751median for 10K–100K

Reach, %63.48%this account9.00%median for 10K–100K

Engagement, %0.57%this account1.65%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	28 958	2 751	10.5×
Reach (views ÷ followers)	63.48%	9.00%	7.05×
Engagement rate	0.57%	1.65%	0.34×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

78K24 Mar

462.5K19 Aug

4.3K

3.5K20 Aug

249.9K23 Aug

37.3K27 Aug

20.7K

Last 7 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.22%24 Mar

0.88%19 Aug

0.35%

0.59%20 Aug

0.32%23 Aug

0.54%27 Aug

0.94%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.65%.

What the audience does

Likes71.4%4 147 in total

Reposts14.0%812 in total

Replies5.2%303 in total

Quotes4.0%234 in total

Bookmarks5.3%309 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

As I said the other day: reproducing an already-patched bug is not "hacking Ledger." What this thread describes is a vulnerability in an outdated version of the Ethereum app. It was identified through our security process and fixed in Ethereum app 1.22.2, released August 13, 20.7K views · 149 likes · 20 reposts · 20 replies 27 Aug 2026 @ohyishi @OneKey_Anzen No Ledger user was hacked. What's described here is a lab reproduction of a vulnerability in an outdated version of the Ethereum app. The issue was already identified through our security process and fixed in Ethereum app 1.22.2, released August 13, befor 37.3K views · 157 likes · 26 reposts · 14 replies 27 Aug 2026 There's some FUD circulating about Ledger signers, pushed by a "smart contract security" company claiming a vulnerability in the Ledger Ethereum app. There was a bug concerning certain clear signing flows. It was found by the @DonjonLedger using their AI-powered vulnerability 249.9K views · 589 likes · 109 reposts · 66 replies 23 Aug 2026 You can now sell AI tokens on https://t.co/vZAX4FD1i8 against USDC. At first I thought it was a nice idea. Remember when hackers and insiders were running Bitcoin miners on company infrastructure? Same scheme, new substrate. Except now the compute being siphoned isn't hashing 3.5K views · 17 likes · 1 reposts · 3 replies 20 Aug 2026 The return of Stuxnet! Not developed by nation state burning their best 0-day, but a few prompts to Kimi R3... 🫠 4.3K views · 11 likes · 2 reposts · 2 replies 19 Aug 2026 ‼️ BREAKING: Five US agencies warn of an "active threat" to all Siemens S7 PLCs across US water, energy, chemical and food facilities, amid fears Iran is breaching water plants. Attackers are using AI-written scripts that pose as ordinary monitoring software to reach the small h 462.5K views · 3.1K likes · 632 reposts · 182 replies 19 Aug 2026 https://t.co/2vkUYFpbjC 78K views · 125 likes · 22 reposts · 16 replies 24 Mar 2026