2026-01-07 05:24:59

Recently, I came across a pretty interesting technical demonstration—using Bluetooth to achieve offline Bitcoin transfers. The entire process is like this: an Android phone and an iPhone connect directly via Bluetooth, no network connection needed. The sender simply taps to complete the transfer. In the video, the Android device shows a balance of over 80,000, and with a gentle tap, the recipient's Cashu wallet immediately receives the funds—all without ever connecting to the internet.

Honestly, this offline end-to-end transfer method really challenges many people's perceptions of cryptocurrency. In the past, everyone was used to needing an internet connection and verifying nodes to transfer coins. Now, just by tapping two phones, the value transfer is done. This reflects ongoing breakthroughs in blockchain technology at the practical application level—from early mining hardware, to the emergence of smart contracts, to today's offline transfer solutions, each step breaking technological boundaries.

What once seemed impossible is now realized here, which also shows that innovation in the Web3 space has not stopped. If offline Bluetooth transfers can be achieved, who knows what other technological breakthroughs are coming next. The emergence of these hardcore solutions has elevated Bitcoin's portability and usability to a new level.

BTC-1.73%

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OldLeekConfession

· 5h ago

Damn, two phones just transferred 80,000 with a tap. This really means something now. But speaking of which, how is the security of offline transfers guaranteed? Has anyone tested it? Can you trust Bluetooth? Is there a risk of blackmail or being hacked? If this gets widespread, how will exchanges survive? Impressive as it is, I still need to see someone actually fail before I believe it. Feels like another tech show aimed at fooling newbies, but what about real-world applications? It was just over 80,000 completed, so how do I transfer my leverage of hundreds of times? If it were really that simple, why hasn't this technology gone viral yet? Offline transfers have been hyped for so many years; is this the first real demonstration?

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ProofOfNothing

· 01-07 05:55

Wow, two phones just touch to transfer coins? This is too high-tech, I have to try it Oh my god, offline transfers can really be used... Truly Bitcoin Bluetooth direct transfer, even if the network crashes in the future, you can still transfer, this is amazing Wait, is offline transmission really safe? It feels a bit mysterious This wave of technological updates directly shattered my inherent understanding of cryptocurrencies, incredible Really powerful, another "impossible" has been shattered into pieces

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SandwichTrader

· 01-07 05:54

Wow, is this real? Two phones just touch and transfer 80,000 yuan? If this really works, what do we still need exchanges for in the future? Is Cashu wallet already this powerful? I need to try it out. But isn't there a double-spending risk with offline transfers? How is this issue solved? This is what Bitcoin should look like. Finally, someone has rescued it from the chain. Bluetooth technology is really underrated. It feels like it can be used to develop many new things. In places with poor network connectivity, this thing is just too valuable—an oasis for nomads.

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AirdropSweaterFan

· 01-07 05:52

Two phones just need to touch to transfer coins, now even internet connection is saved, it's truly unbelievable. If this thing can really become popular, the wallet interaction experience will be completely enhanced. Bluetooth offline transfer... alright, I admit it, there's nothing impossible anymore. Basically, it redefines what true peer-to-peer means. It's interesting, but I still want to see how this logic will be implemented in real-world scenarios. Offline transfer sounds awesome, but I always feel there's something strange about it, need to look at the details again. Touch two phones to move funds, this is the Web3 I have in mind. By the way, if this gets widely promoted, banks will have a hard time, haha. It truly overturns imagination, but security must be ensured to be free of vulnerabilities. These days, almost everything can be done via Bluetooth, feels like future technology is a bit crazy.

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CommunitySlacker

· 01-07 05:46

Wow, two phones just need to touch to transfer coins? If this becomes popular, you can play even when the network is down. Offline transfer is genius, completely changing my perception of BTC. But honestly, it still depends on whether it can be practically implemented in the future. Bluetooth direct transfer... feels like playing with black technology. How can the security of this kind of wild solution be guaranteed? When will Cashu be integrated into mainstream wallets? It's impressive, although it sounds a bit unbelievable, but I have to admit it's really awesome. There are so many ways to play with blockchain; why didn't I think of this before? Two phones just need to touch to transfer, even more stylish than QR code payments.

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PoetryOnChain

· 01-07 05:30

Damn, two phones can transfer coins just by touching, this is too outrageous. Is it real or fake? If offline transfers really become possible, the entire payment experience will have to change. Bluetooth direct connection to complete value transfer—how did I not think of this? It's pretty awesome. Basically, it's just putting nodes into the phone. Is it really that difficult? If this gets promoted widely, even areas with poor network connectivity can transfer coins. I love this kind of simple innovation. Wait, over 80,000 in limit transferred directly via Bluetooth—are there really no security issues? The Cashu wallet move definitely opened up new ideas, but it's still early for widespread adoption. Offline solutions are great, but I'm worried the maintenance costs afterward will be sky-high. Bitcoin's development now seems quite different from the original concept. It's hardcore, no doubt, but will this really become a necessity?

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SchroedingersFrontrun

· 01-07 05:27

Two phones just tap to transfer funds, how decentralized is that? It even saves on network usage. No way, offline transfers are possible? Then what's the point of nodes? Cashu's approach is pretty clever; it feels like true peer-to-peer. But sending 80,000 directly via Bluetooth—can there be no risk? This gives one less reason to buy into scam coins.

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