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Channel

Bitcoin Double Spend

@doublespend

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

95subscribers

-3 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-1001101486859
TypeChannel
Username@doublespend
CreatedBetween 1 February 2017 and 28 February 2018 — estimated from Telegram’s id allocation, not measured. How this range is calculated.
First recorded9 August 2026
Last confirmed live8 October 2026
Measurements held4
Confirmed unchanged2 times, most recently 8 October 2026
On Telegramt.me/doublespend

Topic

Hacking & security — a classification, not a measurement. An on-box language model (Qwen3.6-35B-A3B-FP8, prompt version 1) read this channel’s own recent posts on 28 September 2026 and assigned it the closest of 31 fixed categories, at 93% confidence. This is a model’s judgement about what the channel is likely to be about, not a fact this register measured the way a subscriber count or a view count is measured — it can be revised on a later pass, and it carries no weight anywhere else on this page. How this classification works, and why it has no browse page of its own yet.

Growth

959896.57 August 2026 — 98 subscribers9 August 2026 — 98 subscribers14 August 2026 — 97 subscribers28 September 2026 — 95 subscribers7 August 202628 September 2026
4 measurements spanning 52 days, net -3. 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 95–98 and does not start at zero.
Measurement log — every subscribers count we have recorded
Measured (UTC)SubscribersChange
28 Sept 2026, 14:5595-2
14 Aug 2026, 17:4797-1
9 Aug 2026, 11:4598no change
7 Aug 2026, 20:5798first reading

Engagement

20 posts held, back to 20 October 2019 — 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 2 July 2023. An engagement rate over an empty window would be a number about nothing.

Recent posts

16 Dec 2021, 14:31 UTC≈1,300 viewsread 9 August 2026

So sorry, we fix some troubles, please check site and make feedback for us

9 Nov 2021, 07:35 UTC≈1,270 viewsread 9 August 2026

UPDATE Auto set transaction fee depending on the current state of the mempool

16 Sept 2021, 09:22 UTC≈1,260 viewsread 9 August 2026

Now supports deposits from segwit wallets (start with 3, bc)

7 Jul 2021, 11:23 UTC≈1,300 viewsread 9 August 2026

From June 7th till July 7th some of our users had incorrect balance, it was always 0. Now we corrected this mistake and we're glad to announce that we've reduced the fee by 4% and now it's 4.8% of transaction fee

7 Jul 2021, 11:18 UTC≈1,150 viewsread 9 August 2026

Sorry for the unexpected technical malfunction. We have fixed everything and now the site is working.

Showing the 12 most recent of 20 posts we hold for @doublespend. 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 28 September 2026 — this entry's latest reading, not the date you are reading this.

“Bitcoin Double Spend” (@doublespend), 95 subscribers as measured 28 September 2026. Telegram Register, tgregister.com/channel/doublespend.

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.