Karim Sahyoun

Blockchain, Business Architecture & Digital Transformation Consultant working @ApexFusion @hal8 founder at

[Praxis | Real-World Web3 @heyitspraxis]

The useful part of DePIN is not that the screen is “connected.”
It is that independent physical infrastructure can become part of a network where activity is measurable, verifiable and economically coordinated.
That is a much stronger foundation than simply counting devices.
#DePIN #Web3‌‌

[Apex Fusion @ApexFusion]

Cairn (@chard_kyle, @ianfoster et al.) tested how many lying raters a shared reputation can absorb. In their words, "pooled memory fails suddenly once honest raters lose their majority."
On Vector, raters need receipts.
https://t.co/xAsbXMVwLl
Ep 17: https://t.co/8EdVecqkCB

[Karim Sahyoun @sahyounk]

This is highly entertaining. Not sure about the accuracy but imagine studying history this way 😅

[Kroschel @kroschel]

Mußte schmunzeln.

[Karim Sahyoun @sahyounk]

woah! This is getting seriously interesting!

[Lara On The Block @laraonzeblock]

UAE Mashreq and Citi Bank transact tokenized deposits using Swift Blockchain @MashreqTweets @Citi

https://t.co/R1pitJbWSk

[Karim Sahyoun @sahyounk]

We need Saudi fully on board with tokenization and clear crypto regulations. @rain is already licensed there.

[Lara On The Block @laraonzeblock]

Saudi Financial Institution Signals Tokenization Push With Virtual Assets Leadership Hire @huxleysaga

https://t.co/qyPFiwViR5

[Apex Fusion @ApexFusion]

News from the network, as of Sep 30:

Vector: 8.44M blocks, epoch 399.
Prime: 408.6M AP3X in live stake.
Dingo by @blinklabs_io is forging on Prime testnet.
75,503 marketplace events all-time.
MCP server: 24 tools, three registries.
Check any of it: https://t.co/yhYTlmLLPg

[Karim Sahyoun @sahyounk]

wen Dubai?

[Mario Nawfal @MarioNawfal]

Cybercab is already getting the kind of reviews Tesla probably wants framed on the wall.

A rider in Austin says it felt smoother and more comfortable than any Uber, Lyft or Blacklane ride he’s had, with very little jerk or bounce.

This is the purpose-built Robotaxi with no steering wheel or pedals.

Next wish list: freeways and a bigger map.

The ride itself already sounds pretty sorted.

@Tesla @robotaxi / Writer: Annette, Grok Imagine Designer: Janné

[jamie @gnuman1979]

Hello.

[AdCentral @adcentralglobal]

One campaign. Multiple everyday venues.
Reach customers across the places they already visit in the same neighbourhood.
Local advertising works better when the network is connected.
#DOOH #Advertising

[Karim Sahyoun @sahyounk]

@alishaknnq tie color

[Karim Sahyoun @sahyounk]

This is epic!

[Lara On The Block @laraonzeblock]

Citi offers its tokenized deposits services in UAE @Citi

https://t.co/PvV08iHc4b

[Praxis | Real-World Web3 @heyitspraxis]

Physical infrastructure creates an interesting problem for Web3:
economic activity happens off chain, but the network still needs credible evidence that something actually happened.
Verification is what turns real world activity into something protocols can coordinate around.
#DePIN #Web3

[Praxis | Real-World Web3 @heyitspraxis]

The hardest part of bringing physical infrastructure on chain isn’t payment.
It’s proving the real world event actually happened.
In software, the system often knows the state directly:
A transaction settled.
A file was stored.
A contract executed.
Physical infrastructure is different.

A screen says it played an ad.
A sensor says it captured data.
A compute node says it performed work.

But the protocol still has to ask:
Did it actually happen?
That is one of the hardest problems in DePIN.

Once rewards, settlement or reputation depend on off chain activity, the network needs credible evidence between the physical event and the economic layer.
Otherwise, you can have perfect tokenomics wrapped around unreliable reality.

The sequence should be:
Real world event → evidence → settlement
Not:
Incentive → hope the event happened

Different networks will solve this differently:
Device signatures.
Telemetry.
Location evidence.
Independent attestation.

But the principle is the same:
If value is created in the physical world, the protocol needs a credible way to recognize it.

DePIN is not just about connecting hardware.
It is about making physical activity economically trustworthy.
#DePIN #Web3

[AdCentral @adcentralglobal]

Running an ad is one thing. Knowing it was delivered is another.
AdCentral is being built around verified campaign delivery across real world screens.
Advertising should come with proof.
#DOOH #Advertising

[طوني بولس @TonyBouloss]

🔴🔴 بسبب غلاء أسعار المشتقات النفطية، خرج الوضع عن السيطرة… دخل مرحلة الإبداع في شوارع بيروت حيث بدأت تظهر وسائل نقل غير تقليدية على الطرقات.

[Apex Fusion @ApexFusion]

In Co-Scientist (@vivnat, @alan_karthi et al.) the Ranking agent judges the debates it runs, and Elo, in their words, "remains a good proxy for relative ranking."

On Vector, that proxy is staked reputation, moved only by bonded verdicts. Ep 16: https://t.co/7o0e4VsOPl

[Karim Sahyoun @sahyounk]

Real estate and Btc combo makes a stable portfolio with a huge upside if BTC goes the way we expect.

[The ₿itcoin Therapist @TheBTCTherapist]

I asked my fiancé the other day if she didn’t know me, would she ever buy bitcoin.

It took no time for her to answer:

“No.”

“Why” I asked.

Because the “risk” is too high for her. The potential “reward” of owning bitcoin does not outweigh the risk of losing some dollars.

She said she wouldn’t even put a 5-10% stake of her wealth into bitcoin. She says it’s not proven and she’d rather lose a small amount of her dollar denominated purchasing power every year and know those dollars are still there than to own any bitcoin.

Despite nearly 6 years of talking about bitcoin she remains a skeptic. She understands my position and respects it but would not be able to make the jump herself.

My fiancé’s entire net worth is in real estate. So we complement each other in different ways financially but most people are not lucky in this way.

A lot of people are just like her and I think it’s going to take a massive shock to the financial system to get people to start thinking differently and realize that bitcoin is the safe asset and the dollar is the risky one.

[Karim Sahyoun @sahyounk]

Human nature in its rawest version

[Gustavo Martín @emprexate]

Hace 16 años, un hombre se encontraba solo en una colina cubierta de hierba durante un festival de música en el estado de Washington, Estados Unidos, y comenzó a bailar solo.

La gente lo miró y luego desvió la vista.

Algunos se rieron.

Su compañero de habitación se acercó y le advirtió que lo estaban filmando.

No se detuvo.

Entonces un desconocido se levantó y se unió a él.

Luego otro.

Entonces la ladera se inclinó.

En cuestión de minutos, cientos de personas corrían desde el otro lado del campo para ser parte de algo que, treinta segundos antes, había sido un hombre del que se reían en un campo.

Alguien que filmaba desde lo alto de la colina dijo en voz baja:

"Mira lo que un hombre solo puede llegar a hacer. Solo un hombre puede cambiar el mundo".

El vídeo se viralizó en internet en 2009.

El emprendedor Derek Sivers lo proyectó en una conferencia TED para explicar cómo empiezan realmente los movimientos sociales.

No con la primera persona lo suficientemente valiente como para iniciarlos, argumentó, sino con la primera persona dispuesta a unirse a ellos.

Collin Wynter, el hombre que bailaba solo, dijo después que no tenía ni idea de que hubiera hecho algo especial. Simplemente estaba cansado de ver a todo el mundo sentado sin moverse.

[Karim Sahyoun @sahyounk]

British humor is just top notch

[Pristone @GenPristone]

Wrong church😂😂