Ciro Santilli @cirosantilli 37

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Cool data embedded in the Bitcoin blockchain / Protests against larger block sizes by

Ciro Santilli 37 Updated 2025-07-16

Protesters were posting large chunks of text multiple times into the blockchain as a way to protest against the controversial increase of block size.

tx 08893442680a20c4d0548dec2c8c421fa43336528b4e274dbf2652774f9c9f2d has the first copy of:

I like big blocks and I can not lie

which is the first line of a parody on:

I like big butts and I cannot lie

from the Baby Got Back hip-hop song.

tx 52159222289cd0a5afe0644150d0e23d5d272a57365627d5e869fdb458289858 has the first copy of:

Time to roll out bigger blocks

which is likely a copy of an email from the bitcoin development mailing list. This message is repeated dozens of times in other transactions.

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Cool data embedded in the Bitcoin blockchain / Incoming links by

Ciro Santilli 37 Updated 2025-07-26

By Ciro Santilli:

2021-04-13 twitter.com/cirosantilli/status/1382067162492366854: main initial announcement on Twitter. twitter.com/mikko, who has 209.9K followers and a Wikipedia page: Mikko Hypponen hearted the tweet s2
2023-01-21 twitter.com/cirosantilli/status/1749172304259535063: improvements to the Prayer wars
2024-02-07 twitter.com/cirosantilli/status/1755378931446739373: large-ish update with new items and improved organization
2024-03-31 twitter.com/cirosantilli/status/1774531934305071295: binwalk discoveries, start poking a bit into ordinal ruleset inscriptions
2024-04-04 twitter.com/cirosantilli/status/1775805941885108392: largest text ordinal inscription

By others:

2021-04-15 news.ycombinator.com/item?id=26801067 (96 points) on Hacker News. Reached position 16 at one point: archive.ph/L0Fte and led to about 5k views total. Ah, Ciro could watch that Google Analytics realtime view go bling all day long. Narcissism is a bitch.
2021 cryptonewmedia.press/tankman-image-on-bitcoin-blockchain/ by user igadjeed
2022-01-23 news.ycombinator.com/item?id=30050479 "Abuse and Harassment on the Blockchain", comment-mid thread
2022-01-24 www.reddit.com/r/Buttcoin/comments/sbw0se/when_i_heard_about_nfts_i_thought_they_were/hu2uk8g "When I heard about NFTs, I thought they were stupid, but then I watched a video explaining how they work, it really changed my perspective", comment mid-thread
2023-02 lots of Twitter backlinks as a result of ordinal ruleset inscriptions:
- 2023-02-03
  Video 1.
  Bitcoin= Free Speech Repository? by Trader University (2023)
  Source. Features Marijuana plant and Rickrolling sections. He seems to be a finance guru.
- 2023-02-07 twitter.com/privateid_ntity/status/1622814063331004421
2024-01-18 twitter.com/pete_rizzo_/status/1748049913286447355 by Rizzo, The Bitcoin Historian (81k followers, mid-thread)
2024-12-29: x.com/lopp/status/1873453363523932630 by Jameson Lopp (492k subscribers)
? cloudhiker.net/ A hand curated and categorized list of interesting links by Kevin Woblick. Only allows users to visit a random one per category, so we can't get proof of backlink, this was noticed through Google Analytics.
2025-03-18 Bitcoin Burn Addresses: Unveiling the Permanent Losses and Their Underlying Causes
The mention of this project is brief:
Ciro Santilli maintains a Web page listing arbitrary data embedded in the Bitcoin blockchain. This is the most complete and up-to-date list of arbitrary data we are aware of. However, he does not specifically focus on burn addresses, but on the stored contents.
Announced at:
2025-03-28 x.com/punk3606/status/1905295370227155344 quick "this was already discovered" mention on thread x.com/I____felix____I/status/1905291048798106061 where a dude rediscovers Figure "Warren Buffet"
2025-07-20 www.youtube.com/watch?v=oFrK2tpat8c Uncovering Hidden Messages in Bitcoin by Th3M0rn1ng5h0w

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Protein folding problem by

Ciro Santilli 37 Updated 2025-07-16

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Infineon Technologies by

Ciro Santilli 37 Updated 2025-07-16

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Ciro Santilli 37 Updated 2025-07-16

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Quartz clock by

Ciro Santilli 37 Updated 2025-07-16

How a quartz watch works by Steve Mould (2017)

Source. Mentions feedback loop loop with the quartz tuning fork for the piezoelectricity and an amplifier. Also mentions the choice of 32768 Hertz (

2^{15}

) as the first power of 2 that is outside of the human hearing range, and then how a frequency divider is used to reduce the frequency to get the second counter.

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Disable JavaScript on Chromium by

Ciro Santilli 37 Updated 2025-07-16

stackoverflow.com/questions/13405383/how-to-disable-javascript-in-chrome-developer-tools

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Celestron NexStar 4SE by

Ciro Santilli 37 Updated 2025-07-16

Alignment is impossible to get right! Tried 3 star, 2 named stars, and neither worked well.

www.reddit.com/r/Astronomy/comments/20bot0/what_can_i_expect_to_see_with_a_celestron_4se/

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Ciro Santilli 37 Updated 2025-07-16

A function that takes input function and outputs a real number.

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Atomic Weapons Establishment by

Ciro Santilli 37 Updated 2025-07-16

Their website, and in particular the recruitment section, are so creepy.

There's not mention of bombs. No photos of atomic explosions. The words "atomic" and "weapon" do not even show up in the front page!!! The acronym AWE is instead used everywhere as an euphemism.

In the recruitment section we can see a bunch of people smiling: web.archive.org/web/20211007213222/https://www.awe.co.uk/careers/working-at-awe/, suggesting:

We make nukes, and we do it with a smile!

There's even children outreach!!!

Ciro Santilli is not against storing a few nukes to be ready against dictatorships. But don't be such a pussy! Just say what the fuck you are doing more clearly! You are making weapons to kill people and destroy things in order to maintain the Balance of power. If the public can't handle such facts, then shut down the fucking program.

Keeping the peace: A history of AWE

. Source. By AWE, 2005.

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Bitcoin non-standard transaction by

Ciro Santilli 37 Updated 2025-07-16

Full list at: github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/utxo_nonstandard

Bibliography:

Monday, January 29, 2024

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Little-o notation by

Ciro Santilli 37 Updated 2025-07-16

Stronger version of the big O notation, basically means that ratio goes to zero. In big O notation, the ratio does not need to go to zero.

So in informal terms, big O notation means

\leq

, and little-o notation means

<

.

E.g.:

$x = O (x)$
$x \neq = o (x)$ K does not tend to zero
$x = O (x^{2})$
$x = o (x^{2})$

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Audacity profile-based background noise removal by

Ciro Santilli 37 Updated 2025-07-16

You select a sample noise-only area, and it remove noise from the entire video for you:

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Twelve Apostles by

Ciro Santilli 37 Updated 2025-07-16

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Brigham Young University by

Ciro Santilli 37 Updated 2025-07-16

Utah's mormon-uni.

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Massachusetts Institute of Technology by

Ciro Santilli 37 Updated 2025-07-16

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University of California by

Ciro Santilli 37 Updated 2025-07-16

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Science (journal) by

Ciro Santilli 37 Updated 2025-07-16

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Ciro Santilli 37 Updated 2025-07-16

Jeff has spoken a lot in public about Amazon, perhaps even more than other comparable founders, see e.g. Section "History of Amazon". Kudos for that.

Figure 1.
Jeff Bezos Unveiling the Blue Origin Lunar Lander
. Source.

Has the laugh of Jeff Bezos changed as he got rich? by Barış Aktaş (2020)

Order from Bulgaria by Jeff Bezos

. Source. From a 2002 talk at MIT.

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Alternating group of degree 5 by

Ciro Santilli 37 Updated 2025-07-16

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