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@Techmeme@techhub.social
2025-08-21 06:36:05

Q&A with Coinbase CEO Brian Armstrong on starting the company, battling North Korean hackers, stablecoin adoption, the GENIUS Act, pro-crypto Congress, and more (John Collison/Cheeky Pint)
cheekypint.substack.com/p/coin

Coinbase CEO Brian Armstrong on bitcoin going to $1 million, electing a pro-crypto Congress, and Jamie Dimon
Brian Armstrong joins John Collison to talk about what’s happening behind the scenes at Coinbase: battling North Korean hackers, war stories from early scaling, confronting people who won’t use AI to code, Coinbase becoming people’s primary financial account, and why banks are now embracing crypto.

@arXiv_mathCO_bot@mastoxiv.page
2025-08-21 09:20:59

Hamiltonian Cycles in Simplicial and Supersolvable Hyperplane Arrangements
Veronika K\"orber, Tobias Schnieders, Jan Stricker, Jasmin Walizadeh
arxiv.org/abs/2508.14538

Hamiltonian Cycles in Simplicial and Supersolvable Hyperplane Arrangements
Motivated by the Gray code interpretation of Hamiltonian cycles in Cayley graphs, we investigate the existence of Hamiltonian cycles in tope graphs of hyperplane arrangements, with a focus on simplicial, reflection, and supersolvable arrangements. We confirm Hamiltonicity for all 3-dimensional simplicial arrangements listed in the Grünbaum--Cuntz catalogue. Extending earlier results by Conway, Sloane, and Wilks, we prove that all restrictions of finite reflection arrangements, including all We…

@fanf@mendeddrum.org
2025-07-20 14:42:03

from my link log —
Square theory and unparalleled misalignments in American-style crosswords.
aaronson.org/blog/square-theor
saved 2025-05-27

Square Theory
The story starts in Crosscord, the crossword Discord server. Over 5,000 users strong, the server has emerged as a central hub for the online crossword community, a buzzing, sometimes overwhelming, sometimes delightful town square where total noobs, veteran constructors, and champion solvers alike come together to talk about words that cross each other.

@muz4now@mastodon.world
2025-07-21 17:58:14

Largo from The New World Symphony: Three Free Piano Arrangements music-for-music-teachers.com/l

Largo from The New World Symphony: Three Free Piano Arrangements
Largo printable sheet music for piano from Dvorak's "New World Symphony," three easy and beautiful arrangements.

@cowboys@darktundra.xyz
2025-07-21 00:23:16

Cowboys arrancan el campamento 2025 con cambios y altas expectativas dallascowboys.com/news/cowboys

Cowboys arrancan el campamento 2025 con cambios y altas expectativas
Los Dallas Cowboys llegaron a Oxnard para iniciar su campamento de entrenamiento 2025 con altas expectativas y una fuerte presión sobre sus hombros en torno al rendimiento que se espera de ellos.

@NFL@darktundra.xyz
2025-06-19 13:15:47

Retired LT Terron Armstead: I'm cool never having to face 'different' Jared Verse again nfl.com/news/terron-armstead-r

Retired LT Terron Armstead: I'm cool never having to face 'different' Jared Verse again
Now that he's officially walked away, five-time Pro Bowl offensive tackle Terron Armstead of the Saints and Dolphins isn't afraid to admit there are some pass rushers he's glad he'll never have to get in the way of again.

@ErikJonker@mastodon.social
2025-07-19 15:33:36

Prachtige overwinning.
#tourdefrance #arensman

Arensman soleert naar fraaie zege in Pyreneeën, tweede Nederlandse ritwinst deze Tour
Thymen Arensman wint de veertiende etappe van de Tour de France na een solo over twee zware cols in het hooggebergte.

@servelan@newsie.social
2025-08-21 05:02:25

House juiced for rare 'Block the Bombs' to Israel vote | Responsible Statecraft
responsiblestatecraft.org/hous

@mpsgoettingen@academiccloud.social
2025-06-21 16:55:32

It's a perfect early evening for our solar-system-themed kid's activities: little painted stars glowing in the sunlight at the face painting station, swirling planets painted on busy little arms, and of course everything is in motion at the bouncy castle!
@…

A mother and child engaged in face painting. The painting is on blue background with white and yellow stars on top.
Close-up of four entangled arms, one of them with a smiling happy blue planet painted on it, and a pencil adding finishing touches.
Fill view of a blue-and-yellow bouncy castle in front of a large white building in the background. People are swarming around it.
The face painting station from a bit of a distance. People sitting under a large umbrella giving shade. In the foreground, some grasses and flowers beautifully lit by the late afternoon sun.
@cowboys@darktundra.xyz
2025-07-21 01:39:41

Cowboys arrancan el campamento 2025 con cambios y altas expectativas dallascowboys.com/news/cowboys

Cowboys arrancan el campamento 2025 con cambios y altas expectativas
Los Dallas Cowboys llegaron a Oxnard para iniciar su campamento de entrenamiento 2025 con altas expectativas y una fuerte presión sobre sus hombros en torno al rendimiento que se espera de ellos.