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[@callebtc](/creator/twitter/callebtc)
"✨ Announcing the release of a @CashuBTC wallet for the web ✨ At a glance - Modern UI - Bitcoin and USD - Seed phrase backups - Animated QR - Send Ecash offline - Receive Ecash offline - Lock P2PK Ecash - Discover mints via Nostr - Control with NWC"  
[X Link](https://x.com/callebtc/status/1788943711625232646) [@callebtc](/creator/x/callebtc) 2024-05-10T14:46Z 47.3K followers, 185.7K engagements


"laser-focussed on making bitcoin the best payment system in the world"  
[X Link](https://x.com/callebtc/status/1981372073063641531) [@callebtc](/creator/x/callebtc) 2025-10-23T14:48Z 47.3K followers, 7123 engagements


"This is a long post that hopefully bridges some gaps between technical people (devs) and non-technical users and how they look at spam prevention in Bitcoin. I hope that it clarifies why I think that there is such a huge misunderstanding between both camps. I'll preface this post with first disqualifying any malicious attempts to misrepresent the motives of either camp. Everybody wants to improve Bitcoin as money. Money is Bitcoin's use case. It's not a data storage system. If you think otherwise there are countless shitcoins to play with. Alright let's get into it. I have worked on anonymous"  
[X Link](https://x.com/callebtc/status/1972275437821722935) [@callebtc](/creator/x/callebtc) 2025-09-28T12:21Z 47.3K followers, 210.8K engagements


"Sending around small amounts of Bitcoin in Signal no big deal"  
[X Link](https://x.com/callebtc/status/1978896239300124968) [@callebtc](/creator/x/callebtc) 2025-10-16T18:50Z 47.3K followers, 175.9K engagements


"@HodlingCarla @MemeFactoryTM @RD_btc @ICOffenderII @r0ckstardev @BITVOLT good people"  
[X Link](https://x.com/callebtc/status/1981762392947122205) [@callebtc](/creator/x/callebtc) 2025-10-24T16:39Z 47.3K followers, XXX engagements


"Idk if people are ready but I believe the world is. First tests of USD Ecash. Backed by BTC. Everyone can run a mint. Everyone can make a wallet. USD can be spent anywhere BTC is accepted. Open protocols. No gatekeepers. This is only due to the permissionless nature of Bitcoin"  
[X Link](https://x.com/callebtc/status/1777598819355496587) [@callebtc](/creator/x/callebtc) 2024-04-09T07:25Z 47.3K followers, 45.2K engagements


"Soon launching the first multi-currency Cashu ecash wallet as a progressive web app here is a teaser Features 🔥 - BTC and USD - Mint discovery over nostr - Send ecash offline - Receive offline (save for later) - Animated QR (send any amount) - Seed phrase backups"  
[X Link](https://x.com/callebtc/status/1785944314280870048) [@callebtc](/creator/x/callebtc) 2024-05-02T08:08Z 47.3K followers, 22.4K engagements


"you must be kidding me right @GooglePlay do you have any actual rules for publishing apps your communication with developers is beyond any professional standards. after weeks of complying with their requests now they've decided to remove "bitchat" for profanity PROFANITY The bitchat @Google play store saga so far: - first they publish an impersonator app which got over 100k downloads - dozens of reports for impersonation didn't help only after causing a shitstorm on X things actually started moving - I tried to submit the real bitchat app X times don't even get me started on "you need 12"  
[X Link](https://x.com/callebtc/status/1957010899387969923) [@callebtc](/creator/x/callebtc) 2025-08-17T09:25Z 47.3K followers, 195.5K engagements


"I'm very bullish on Bitcoiners because basically every technical person I respect thinks Knots is a burning pile of trash"  
[X Link](https://x.com/callebtc/status/1975588795224408380) [@callebtc](/creator/x/callebtc) 2025-10-07T15:47Z 47.3K followers, 22.4K engagements


"love bitcoin"  
[X Link](https://x.com/callebtc/status/1980330948622446849) [@callebtc](/creator/x/callebtc) 2025-10-20T17:51Z 47.3K followers, 5555 engagements


"looking for a good name for cashu L2 based on payment channels"  
[X Link](https://x.com/callebtc/status/1980331349514023100) [@callebtc](/creator/x/callebtc) 2025-10-20T17:52Z 47.3K followers, 10.7K engagements


"toxic bitcoinism has died when knotsis decided that one of their main talking points is going to be how mean and condescending their opponents are. look how they're treating us plebs 😭 how can you be so disrespectful core devs are looking down on us you have to respect my uninformed view just because we don't understand bitcoin doesn't mean we aren't entitled to have strong opinions the bitcoin I grew up with: how about you gfy"  
[X Link](https://x.com/callebtc/status/1980942522894483866) [@callebtc](/creator/x/callebtc) 2025-10-22T10:21Z 47.3K followers, 8911 engagements


"here's one of a million examples. you'll see ex "toxic maxis" cry like this all the time. maybe the best part of bitcoin is: "gfy I don't need your consent or your permission fork off if you don't like it". this is not a democracy. the disenchanted can't exercise power over the rest by voting for the sloppiest pleb podcaster"  
[X Link](https://x.com/callebtc/status/1980944257885040966) [@callebtc](/creator/x/callebtc) 2025-10-22T10:28Z 47.3K followers, 2674 engagements


"@shroominic @Bitkey I am mainstream I just notice issues others might not notice because I'm a power user too 😉"  
[X Link](https://x.com/callebtc/status/1981360263568687390) [@callebtc](/creator/x/callebtc) 2025-10-23T14:01Z 47.3K followers, XXX engagements


"Signal should've used Bitcoin with Chaumian Ecash instead of MobileCoin"  
[X Link](https://x.com/callebtc/status/1968228100178923792) [@callebtc](/creator/x/callebtc) 2025-09-17T08:18Z 47.3K followers, 195.4K engagements


"Tap-to-pay with @CashuBTC ecash for bitcoin. Fiat credit cards nailed the UX: fast offline works anywhere. I always wanted that for Bitcoin. Now its open-source. Private. Instant. Beep done"  
[X Link](https://x.com/callebtc/status/1903079881325400407) [@callebtc](/creator/x/callebtc) 2025-03-21T13:42Z 47.3K followers, 679.9K engagements


"I've ported bitchat to Android and it's interoperable with the iOS app by @jack links in the comments"  
[X Link](https://x.com/callebtc/status/1942658144011714829) [@callebtc](/creator/x/callebtc) 2025-07-08T18:52Z 47.3K followers, 1.9M engagements


"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. work in progress. it's going to be insane"  
[X Link](https://x.com/callebtc/status/1945903479693705607) [@callebtc](/creator/x/callebtc) 2025-07-17T17:48Z 47.3K followers, 630K engagements


"Last week we observed a sudden spike in bitchat downloads from Indonesia during nationwide protests. Today we're seeing an even bigger spike from Nepal during youth protests over government corruption and a social media ban. Freedom tech is for the people. Please share"  
[X Link](https://x.com/callebtc/status/1965721168507466097) [@callebtc](/creator/x/callebtc) 2025-09-10T10:17Z 47.3K followers, 531.2K engagements


"non-kyc btc debit card hits different"  
[X Link](https://x.com/callebtc/status/1978425254268580158) [@callebtc](/creator/x/callebtc) 2025-10-15T11:38Z 47.3K followers, 65K engagements


"the vast majority of people don't understand bitcoin yet. they don't own it and they don't use it. meanwhile with every contribution every day bitcoin gets a little better. we the open source developers working on it will keep improving bitcoin for many decades to come. we're all on the same team and that's why we will win. this isn't just an investment for us. in the age of the internet bitcoin is one of the most powerful tools we have at our hands to shift the power back to the people. stack as hard as you can. learn to code. build your life on bitcoin. it's just getting started. we're in"  
[X Link](https://x.com/callebtc/status/1979204655218315562) [@callebtc](/creator/x/callebtc) 2025-10-17T15:15Z 47.3K followers, 27.8K engagements


"bitchat global. wherever you are. now available in 20+ languages"  
[X Link](https://x.com/callebtc/status/1979509190478516714) [@callebtc](/creator/x/callebtc) 2025-10-18T11:25Z 47.3K followers, 73.6K engagements


"quit your X to X job and become a bitcoin open source developer"  
[X Link](https://x.com/callebtc/status/1979864657235161490) [@callebtc](/creator/x/callebtc) 2025-10-19T10:58Z 47.3K followers, 81.8K engagements


"Blows my mind: The devs of TollGate which uses Cashu for paid WiFi Internet designed unidirectional ecash payment channels to make thousands of micropayments with a single ecash token user to WiFi router without pinging the mint for each payment. Cashu L2. Bitcoin L4"  
[X Link](https://x.com/callebtc/status/1979988482786283765) [@callebtc](/creator/x/callebtc) 2025-10-19T19:10Z 47.3K followers, 12.3K engagements


"Watch: 10000 Bitcoin micro transactions in 10s via Cashu payment channels (Nutella). Only two interactions with the mint: opening and closing the channel. The mint doesn't know the channel exists. Doesn't require a protocol update. Perfection"  
[X Link](https://x.com/callebtc/status/1980585556699672854) [@callebtc](/creator/x/callebtc) 2025-10-21T10:42Z 47.3K followers, 23.8K engagements


"Spark wallets are all traceable and the entire world knows your wallet balance from looking at a single Lightning invoice. This is a pretty bad design choice and it seems this could've been avoided. Worse than on-chain. Hope they'll revert. Afaict all Lightning wallets based on Liquid (Breez nodeless) have a similar problem. Anything that relies on Boltz for atomic swaps should also be traceable on-chain by looking at a single Lightning invoice and tracing the corresponding Liquid UTXOs. A bit harder to trace than Spark but still very easy and less avoidable by design"  
[X Link](https://x.com/callebtc/status/1980937410004320495) [@callebtc](/creator/x/callebtc) 2025-10-22T10:00Z 47.3K followers, 22.7K engagements


"hey @bitkey I love your wallet recommend it all the time been using it from day X. here's some power user feedback. hope this is useful for you: - why are buy and sell the most prominent buttons this a wallet not a trading app. XX% of users will just send and receive. please focus more on the wallet. feels like a dark pattern. - when I press receive I expect an on-chain address and not three advertisement slots exploding in my face. the option to reveal an address feels like an afterthought. I can't believe that more than X% of user journeys end up using these. users pay a good amount of"  
[X Link](https://x.com/callebtc/status/1980968616402080179) [@callebtc](/creator/x/callebtc) 2025-10-22T12:04Z 47.3K followers, 30.1K engagements


"amazing 🧡 offline bitcoin with Cashu"  
[X Link](https://x.com/callebtc/status/1981479623650341047) [@callebtc](/creator/x/callebtc) 2025-10-23T21:55Z 47.3K followers, 3133 engagements


"don't like blockchains but you like digital money check out chaumian ecash with @CashuBTC"  
[X Link](https://x.com/callebtc/status/1981480360019185919) [@callebtc](/creator/x/callebtc) 2025-10-23T21:58Z 47.3K followers, 3401 engagements


"why privacy"  
[X Link](https://x.com/callebtc/status/1981689725326074355) [@callebtc](/creator/x/callebtc) 2025-10-24T11:50Z 47.3K followers, 3310 engagements


"why shouldn't I drop some ecash into the mesh live on stage"  
[X Link](https://x.com/callebtc/status/1981778365595148432) [@callebtc](/creator/x/callebtc) 2025-10-24T17:42Z 47.3K followers, 2969 engagements


"bitchat downloads spiking in cte d'ivoire. this is the fifth time we're seeing increased activity in regions of civil unrest"  
[X Link](https://x.com/callebtc/status/1979510874340573266) [@callebtc](/creator/x/callebtc) 2025-10-18T11:32Z 47.3K followers, 82.6K engagements


"nostr still works"  
[X Link](https://x.com/callebtc/status/1980207658994172069) [@callebtc](/creator/x/callebtc) 2025-10-20T09:41Z 47.3K followers, 24.3K engagements


"@AsyncN8 @grok Liquid has the same privacy as on-chain Bitcoin except for confidential transactions which can hide amount and asset being sent. It's very cool. But it doesn't obfuscate the transaction graph (like monero) or completely blinds it (like ecash) which is the main vector"  
[X Link](https://x.com/callebtc/status/1980987043758084482) [@callebtc](/creator/x/callebtc) 2025-10-22T13:18Z 47.3K followers, XXX engagements


"@erikdesmedt unilateral exit cost"  
[X Link](https://x.com/callebtc/status/1981678416102625680) [@callebtc](/creator/x/callebtc) 2025-10-24T11:05Z 47.3K followers, XXX engagements


"Soon you'll be able to leave ratings for bitcoin mints issuing untraceable ecash on an uncensorable communication protocol. Cashu + Nostr is a dream team"  
[X Link](https://x.com/callebtc/status/1981872256503673082) [@callebtc](/creator/x/callebtc) 2025-10-24T23:55Z 47.3K followers, 3423 engagements