sending bitcoin over bluetooth between bitchat android and iphone. both have a native cashu ecash wallet built in.
the ecash travels directly from phone to phone. the sender needs no internet. like instant and untraceable digital cash.
it's going to be insane. work in progress with @npub1qjgc...lgjw , @npub1f742...rpa3, @npub1zqsu...cqrs , @npub1ce7d...3d7m , @npub1dvdc...d4rm et al.
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You're making history 👊⚡️
Legendary
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This is it.
sending bitcoin over bluetooth between bitchat android and iphone. both have a native cashu ecash wallet built in.
the ecash travels directly from phone to phone. the sender needs no internet. like instant and untraceable digital cash.
it's going to be insane. work in progress with @npub1qjgc...lgjw , @npub1f742...rpa3, @npub1zqsu...cqrs , @npub1ce7d...3d7m , @npub1dvdc...d4rm et al.
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How does this get reflected to the blockchain?
It doesn't
It's chaumian ecash
Running atop Lightning (bitcoin L2)
Trade-off is trusting the mint/mints you use
Of course .. you can run your *own* mint too
I think I don’t get it. Then anyone can create a coin, that not necessarily has real stocks value?
cashu ecash is an IOU that you trust the mint operator to honor in the future
what the f… 😳
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Game changer
Great stuff
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Cypherpunk as fuck
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I’m wondering how to update my app since I ported it from Xcode onto my phone.
Unless we’ll have to wait or manually update from Xcode
No choice, manual update it is
Figured. Will do that today
ว๊าว!! พัฒนากันเร็วมากมี cashu wallet ใน Bitchat ด้วย
#Siamstr
sending bitcoin over bluetooth between bitchat android and iphone. both have a native cashu ecash wallet built in.
the ecash travels directly from phone to phone. the sender needs no internet. like instant and untraceable digital cash.
it's going to be insane. work in progress with @npub1qjgc...lgjw , @npub1f742...rpa3, @npub1zqsu...cqrs , @npub1ce7d...3d7m , @npub1dvdc...d4rm et al.
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Of course, you only want to do this with people you kinda trust. Otherwise you'd want an internet connection to validate and re-mint the coins.
But that's how eCash works. Convenience + Privacy with increased trust/risk.
VERY COOL
Yet another way to get sats onto the @npub1m3tu...m888 bitcoinize point of sale terminal.
Plus every small vendor can be an always-on a bitchat node.


cool stuff
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I tried it in LA but looks like I was not around techies at that time 😉 It is a very promising app 👍
Yeah boi!!!!
This is wild
Incredible freedom tech #bitchat
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This is the new cache.
i was just having this idea, if the cache was propagated all over by BLE then with bloom filters I think it would lower the reliance on connectivity.
🥜 ⛓️💥🥜⛓️💥🥜⛓️💥🥜⛓️💥🥜⛓️💥🥜 🥜
we need the #goose with a brain
How safe is this method? If both are offline could there be double spending or has this been thought of. I guess when the recipient connects to the internet then a check will be done, but before that maybe the sender should be trusted.
awesome
bullish af
sending bitcoin over bluetooth between bitchat android and iphone. both have a native cashu ecash wallet built in.
the ecash travels directly from phone to phone. the sender needs no internet. like instant and untraceable digital cash.
it's going to be insane. work in progress with @npub1qjgc...lgjw , @npub1f742...rpa3, @npub1zqsu...cqrs , @npub1ce7d...3d7m , @npub1dvdc...d4rm et al.
i see people bitch about LLM's being shit, that they can't code or think and all the standard cope of people resisting change but then you look around nostr and you see AI driven revolution in freedom tech, from ex big tech CEO's vibing new P2P apps to nostr apps being created by people who would never think they will create an app, let alone one that other people would use.
We're at the stage where big tech VC substituted gpu time gives us insane arbitrage in producing insane amount of new applications, explore the design space and try out ideas that would've taken months of someones free time.
We should use this opportunity to expand our frontiers, explore ideas that we otherwise wouldn't, bring as many people in, create nicer development ecosystems, make cool shit just because we can.
We must work towards creating value and businesses that will sustain this in the long run, enable us to build our own infrastructure and our ecosystem. Between cheap LLMs and grants in this space, with all the tooling that is being created we can outbuild the authoritarian world because we have the secret sauce -> we default to open collaboration, exchange of ideas and open source code.
WE CAN JUST DO THINGS.
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So cool! Permission-less payments peer2peer!
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this is huge
hardly. so, you transfer a token, and then the mint is offline or your ISP blocks their IP. the end.
Ha!
"the sender needs no internet".
The receiver will most likely has connectivity and check with the mint the validity of the received token.
You're welcome.
🫂
POS anyone? Receiver is most likely online in this case
Very cool and interesting, be good to get my head around it when I get a chance!
you can just bitchat things
A bit misleading when we say “sending bitcoin over Bluetooth” but I get the point.
Really cool build on the layers of bitcoin. We need to start translating this to the normies so adoption is easier. Cashu ~ usd paper note stored in your back pocket leather wallet. Leather wallets ~ digital device with usd paper (cashu).
Give one note to friend via Bluetooth on your digital device. When internet comes back, device syncs up with mint (kind of like you going to your bank and deposit dollars) mint takes care of layer 1 settlement (aka bitcoin)
This really is just like the 80’s & 90’s when we were building the OSI Model. We can almost say Bitcoin is the 8th layer!
https://bitsnbytes.space/2025/01/31/bitcoin-the-8th-layer-of-the-osi-model-the-trust-layer/
Really cool build. Looking forward to playing with it!
This is blowing my mind.
“Build the tools and the world you want”
How is double spending avoided while offline?
"the sender needs no internet".
The receiver will most likely has connectivity and check with the mint the validity of the received token.
You're welcome.
🫂
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🚨 FORT NAKAMOTO // LEVELING UP: BLUETOOTH BITCOIN OPS INITIATED 🚨
No internet? No problem.
This is spycraft for the sovereign era.
Imagine explaining to a normie:
“Yeah, I just beamed sats from my Android to your iPhone over Bluetooth while standing in line for tacos. No servers, no middlemen, no surveillance—just pure, raw freedom packets.”
At this point, Fort Nakamoto is considering issuing Bluetooth satchel charges to the troops.
This isn’t just peer-to-peer—it’s pocket-to-pocket, zap-to-zap, money-in-the-airwave madness.
Satoshi’s dream just got firmware upgraded.
Can’t wait to see this live.
#FortNakamoto #BluetoothBitcoin #CashuInYourPocket #OfflineFreedom #PeerToPeerToPleb


Cool
Não funcionou em motorola-g34, a barra para digitar fica abaixo dos botoes de controle do telefone. Favor levantar para melhor compatibilidade, no sansung funcionou normalmente pois a barra é diferente @npub12rv5...85vg @jack


Agora eu consigo usar após sua atualização, Muito Obrigado.
Where can I get access to this?
Ok that sounds cool
When ??
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@The Daniel 🖖 we wanted to try this
Still do 🥹🫶🏻
I think we need a command line cheat sheet.
Pretty neat.
sending bitcoin over bluetooth between bitchat android and iphone. both have a native cashu ecash wallet built in.
the ecash travels directly from phone to phone. the sender needs no internet. like instant and untraceable digital cash.
it's going to be insane. work in progress with @npub1qjgc...lgjw , @npub1f742...rpa3, @npub1zqsu...cqrs , @npub1ce7d...3d7m , @npub1dvdc...d4rm et al.
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Agora consigo usar após sua atualização , muito obrigado
Olá, por que quando deixamos os celulares parados um tempo sem conversa a conexão é perdida , só depois de fechar e abrir de novo volta a conectar ?
Não seria o caso de deixar algum loop, checando a conexão constantemente, pois o ideal pra mim é ,deixar ele aberto e ele simplesmente conectar a todas as pessoas próximas e manter essa conexão .
por que quando escolho alguém para falar no privado, as mensagem aparecem no chat público. não da para separar ? ao escolher alguém para falar fica privado só com esse contato.
pra mim está faltando uma lista de tutorial de comandos ? deveria ter algo no menu , enviar satoshi, configurar carteira, esse /send /saldo /como faço . algum menu acima seria bom
Obrigado por isso.
Yes!🙌
