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Channel

PHDays CTF 2017

@phdctf2017

On this record: Growth · Engagement · Posts · Cite this entry

107subscribers

-1 since we began measuring on 7 August 2026

Risers and fallers across the register · movement among entries of Under 1,000.

Register entry

Telegram ID-1001124604555
TypeChannel
Username@phdctf2017
CreatedBetween 1 May 2017 and 12 May 2017 — estimated from Telegram’s id allocation, not measured. How this range is calculated.
First recorded9 August 2026
Last confirmed live10 October 2026
Measurements held3
Confirmed unchanged1 time, most recently 10 October 2026
On Telegramt.me/phdctf2017

Growth

107108107.57 August 2026 — 108 subscribers9 August 2026 — 108 subscribers10 October 2026 — 107 subscribers7 August 202610 October 2026
3 measurements spanning 64 days, net -1. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 107–108 and does not start at zero.
Measurement log — every subscribers count we have recorded
Measured (UTC)SubscribersChange
10 Oct 2026, 14:38107-1
9 Aug 2026, 08:02108no change
7 Aug 2026, 22:58108first reading

Engagement

20 posts held, back to 12 May 2017 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 1 page of Telegram’s post history, 20 posts per page.

Nothing published in the last 30 days. ERR and ER are rolling 30-day measures, so there is nothing to compute — we hold 20 posts for this entry, the most recent from 16 May 2017. An engagement rate over an empty window would be a number about nothing.

Recent posts

16 May 2017, 16:16 UTC≈1,040 viewsread 9 August 2026

Remind that you can vote for PHDays CTF 2017 score at CTFtime: https://ctftime.org/event/469/weight/

13 May 2017, 01:30 UTC≈1,280 viewsread 9 August 2026
Photo

Our central router forwarded 176 GB of game traffic.

13 May 2017, 01:11 UTC874 viewsread 9 August 2026

Final scoreboard is available on the site: https://ctf.phdays.com/scoreboard.html

13 May 2017, 01:00 UTC685 viewsread 9 August 2026

Choose the best service: 📺 — tv ❄️ — fridge 🛡 — doorlock ☕️ — coffeepot 🌤 — thermometer

13 May 2017, 01:00 UTC713 viewsread 9 August 2026

Choose the worst service: 📺 — tv ❄️ — fridge 🛡 — doorlock ☕️ — coffeepot 🌤 — thermometer

13 May 2017, 01:00 UTC681 viewsread 9 August 2026

PHDays CTF 2017 is over, network is closed. Thank you for the game! Congratulate Bushwhackers with amazing result and game: Bushwhackers is the only one team which hacked 4 services. Final scoreboard is available at http://ctf.phdays.com/scoreboard.html. Write us to [email protected] what was bad and what was good in the CTF. We have opened repository with full game history: all services, checkers, author exploit…

Showing the 12 most recent of 20 posts we hold for @phdctf2017. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.

Cite this entry

A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 10 October 2026 — this entry's latest reading, not the date you are reading this.

“PHDays CTF 2017” (@phdctf2017), 107 subscribers as measured 10 October 2026. Telegram Register, tgregister.com/channel/phdctf2017.

Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.