Cashu
@CashuBTC
Followers
8K
Following
2K
Media
159
Statuses
2K
Open-source Chaumian Ecash protocol for Bitcoin Learn more at https://t.co/ZtHZdPZWVS Support our mission at https://t.co/CMgSZFn8aW
Bitcoin
Joined September 2022
"I prefer money that I can touch and hold in my hands". Ok boomer. How about paper ecash. Denominated in Bitcoin. Getting ready for HCCP at @Paralelni_polis π«‘
17
30
195
Using ecash is that easy π.
@callebtc @BTCGandalf @CashuBTC . My 10 yr old nephew and I just swapped eCash. From me asking him if he want to try this new cool Bitcoin tool to doing a round trip swap was 2min. β.
199
0
4
Cashu wallets will support ecash on multiple mints. That means you will be able to receive ecash from a mint you don't know yet. If you trust the mint, you can receive the ecash directly. If you don't trust the mint, you can fall back to Lightning.
12
38
173
A new Nostr-native Cashu wallet by Pablo is setting new standards: . - create a nostr key and receive zaps, that's it.- send zaps as P2PK-locked ecash.- everything is instant and public verifiable.- magically syncs balance across devices and browser.
16
42
161
New project: Nutband π₯π₯. The goal of this project is to use Cashu Ecash payments over long range radio and other mesh networks using Reticulum and LXMF.
23
34
166
Announcing the OpenCash Association βΒ a non-profit for supporting developers and projects building on the Cashu protocol. We believe that the future of Bitcoin ecash infrastructure should be free and open-source and accessible to everyone.
12
39
140
Sending ecash over nostr between two different Cashu wallets. Ecash is a bearer token, that means you can send it via any communication layer. Turns out, untraceable money and uncensorable speech go really well together π€
8
30
106
β¨ A new Cashu wallet has entered the chat: Macadamia, a native iOS wallet that looks and feels extremely slick.
9
25
105
Send Bitcoin over Nostr directly to your contact's inbox with the upcoming beta release of the eNuts Cashu wallet. Cashu π€ Nostr
13
21
104
Check out this video by Evan showing how to store Ecash with cashu .me on an NFC card - and how to instantly receive it. Unlike credit cards, ecash card payments are peer-to-peer, instant, free, global, resistant to fraud, and privacy-preserving. We're just starting.
3
16
96
It's here: eNuts wallet 0.0.3-beta release for Android and iOS! πππ₯. Please review release notes before install. Only use funds you're willing to lose. Please report bugs or share feedback over Github. Amazing work by @kadrigron and crew! Pls RT!. Link π
10
17
91
What it looks like to receive a Cashu token on via a Nostr DM π€. Untraceable payments over chat messages!
8
18
85
Someone in a busy bar buying drinks with Ecash on Bitcoin using Cashu wallet. The future is untraceable.
5
11
78
Stablenuts β A Cashu USD mint backed by a @Strike Lightning BTC wallet. Lightning BTC β‘οΈ -> Ecash USD πͺ -> Lightning BTC β‘οΈ. Could run on DLCs, USDT, Kollider, Stablesats, or any fiat-stable Bitcoin rails. This feels like the ideal way to use USD. Turn on sound ππ
8
19
74
Proudly presenting: The Cashu Protocol v1 specs!. One year after the inception of Cashu, we finally introduce the first version of the protocol. This is a major evolution! We dubbed it "The Great Cleanup" and it's already being implemented in different Cashu projects. Link π
6
17
73
Private payments for private chats!. 0xchat - a secure chat client built on Nostr - just recently implemented a Cashu wallet into their chat app which means that you can send ecash to your contacts. Impressive work and beautiful design.
1
23
74
Nick Szabo envisioned two tier architecture. Settlement layer for large value tx and Chaumian Ecash for private efficient retail tx.
7
8
73
CashuMe now supports restoring ecash from a seed phrase π«‘. π sound on for video
6
17
72
π₯ Nostr-based Cashu mint discovery is here! . Users can leave reviews for every mint signed from their Nostr identities. That way, everyone else can find Cashu recommended by their own web-of-trust. π by @makeprisms
6
14
69
bolt12 is coming to Cashu ππ₯.
1
9
69
The Cashu integration in Snort (Nostr client) is beautiful!. You don't even need a Cashu wallet. When you receive Ecash from someone and click the Redeem button, it automatically sends the funds to your Nostr Lightning address.
3
14
64
ProxNut is the state-of-the-art for monetizing web resources using Bitcoin and Ecash. Paywalls do not need to know you, your balance, or your browsing history. There are no user accounts. Ecash for near-perfect privacy. Bitcoin for near-perfect internet money.
10
20
63
Introducing Minibits Wallet for Android β a new Cashu mobile wallet with focus on performance and usability! . @MinibitsCash aims to make ecash UX less technical
9
10
64
Cashu on @LNbits work-in-progress by @motorina0, @arcbtc, @callebtc. Your grandma will be using Chaumian ecash and you could be her mint.
4
16
55
No vapor, just code. Three Cashu clients working on multimint support. Everything connected through Bitcoin Lightning.
5
11
58
Athenut is a privacy-preserving search engine powered by Kagi search, Bitcoin, and Cashu. No account or registration needed. You pay a Lightning invoice, you receive freshly-minted anonymous search tokens (ecash), and search. That's it. Search engines have seed phrases now π
10
18
62
It's great to see that @primal_app, one of the most popular Nostr clients out there, now renders Cashu ecash in DMs!
2
14
57
Ecash on Bitcoin enables digital payments that preserve your privacy, just like physical cash. No speculation, no token, no VC. Just free and open-source software. Cashu is a protocol that aims to bring instant, cheap, and censorship-resistant payments to everyone. Join us ππ₯.
I try to break down the power and necessity of the Bitcoin <> Nostr <> Ecash stack in 15 minutes. Things can seem unimaginably tough. But don't despair: instead, try to channel that frustration into helping others. We have the supertools to build a new future. Join us!
8
21
59
π A new mint implementation appears π. Chamberlain βΒ A Cashu Mint with Integrated LDK Lightning Node (Rust, based on CDK).
4
13
57
Ecash is the great companion for non-custodial Lightning wallets. Example: Receive your first $5 worth of Bitcoin in Ecash which is not enough for a new Lightning channel. As soon as your Ecash balance is above $50, automatically burn all Ecash and open a channel with it.
5
3
58
You can now donate to the Cashu open-source project via BIP-352 silent payments. Silent payment addresses are ideal for receiving Bitcoin donations with a static address while still providing privacy.
7
16
53
Cashu v0.2.0 released. π. Cashu now supports Pay-to-script-hash (P2SH) ecash tokens! . Update via: pip install cashu -U. Use the power of Bitcoin script to mint tokens with complex unlocking criteria. Simple example: Lock tokens for a specific recipient only. π₯π§΅π.
2
14
53
Huge update! Cashu-ts, our most popular wallet library, just released its fist major version - 1.0.0 β π. Thank you to all the contributors who made this possible. Open source is magic. And you're all π₯'s!.
0
12
52
Unstoppable yelp for Ecash mints built on Nostr. What a time to be alive.
3
14
50
Cashu: A Vision For A Bitcoin Powered Ecash Ecosystem β by @BitcoinMagazine . A look at the long term vision for an ecosystem of Cashu powered ecash mints, and how this can evolve to meet end users' needs balanced with security and functionality.
6
11
49
Hal Finney on ecash:. "Technically, this would be easy. The social problems are more challenging, it seems to me. What is the backing for this electronic money? Is this stuff really worth anything?. One possibility is to base digital cash on real money.". Real money is #Bitcoin.
7
5
45
We designed an ecash system and defined the entire protocol in a couple of short and easily digestible specification documents. Now there are almost a dozen independent open-source implementations. That's nuts π₯π«‘.
3
5
45
We thank everyone for joining the ECASH HACKDAY - a satellite event of @btcplusplus in collaboration with @fedimint and @CashuBTC devs!. What felt like an historic event full of talented hackers demonstrates how to bring back an ancient technology into the new age of Bitcoin.
3
15
43
BIP32 key derivation + BIP39 mnemonics will help you restore your ecash if you lose access to your wallet. BIPs π€ NUTs
3
7
44
Get your own Ecash-Lightning address β‘ you@minibits.cash for a small donation to the @MinibitsCash devs. You can use this address to receive Bitcoin zaps on nostr or share it with anyone to receive ecash directly or via Lightning.
8
13
44
The first Cashu NIPs have made it into the Nostr specifications!. Congrats to the devs π . * NIP-60 describes portable Cashu wallets that live inside nostr relays.* NIP-61 describes nutzaps, a new, instant way to zap users and events by posting ecash locked to their public key.
5
16
44
The new generation of ecash wallets is looking pretty good π. How it started: How it's going:
2
9
42
β¨ Join us for the Ecash Hackday V2 in Berlin June 20-21 2k24. This is a small and intimate event for hackers, researchers, and anyone else interested in Chaumian Ecash. We have participants from GNU Taler, Fedimint, and Cashu. Registration π
2
11
41
Always wondered how Cashu's ecash blind signature scheme works under the hood?. Wonder no more! Check out this simulator by @gandlaf21 π₯π§ββοΈ.
1
11
42
π Cashu 0.9.3 released with P2N (Pay-to-nostr) NIP-05 support. Makes it super easy to send ecash to other nostr users. $ cashu send <amount> <address>. Install/update with: $ pip install cashu -U
2
13
40
Try out Cashu CLI right now:. pip install cashu. These are the main commands:. cashu mint 420 # peg in via Lightning.cashu send 69 # send ecash.cashu receive <token> # receive ecash.cashu pay <invoice> # peg out via Lightning. A graphical UI is on the way:
4
8
38
π₯π₯ A new Cashu wallet just appeared! Check out this fresh and early browser-based Cashu wallet by gandlaf21: . π Announcement on stacker news: .π Git:
6
8
40
Lightning effectively becomes the settlement layer for inter-mint payments and for transferring your own funds from one mint to another other. This would become especially fast and cheap (or free) if mints have direct Lightning channels between each other.
4
2
37
Cashu-Redeem is probably the simplest web app there is that uses Cashu. It's good for only one thing:. - Enter Cashu token.- Enter Lightning address.- Hit "Redeem". Couple lines of JS with a built-in Cashu wallet powered by the cashu-ts library.
6
4
39
Joining a mint will be as simple as receiving ecash by someone using that mint. The nice part: All of this logic is implemented in the user's wallet. The mints don't know about any of this. Users will have full control over how to handle these scenarios.
2
1
37
Beautiful Cashu Boltcard with LED laser eyes that light up when you hold it to an NFC reader. By @arbadacarbaYK and @CandleHater π§‘π₯
2
6
38
Reminder that Cashu mints have built-in safety measures to ensure that your mint can't be abused. Nutshell limits the maximum balance, size of peg-ins and peg-outs, and request rate limits. And there is a lot more to come! You should have full control for your specific use case.
3
5
38
Get in Marty, we're rebuilding an ancient bearer electronic cash system (ecash) that used to rely on banks, on top of the decentralized magic internet money of the future (Bitcoin). π₯π
2
2
36
β¨ A new implementation: Nutmix is a Cashu mint written in Golang. It is now live on on Mutinynet signet:
5
10
36
Sender offline:.- Just send ecash π₯. Receiver offline:.- Lock ecash to receiver's pubkey (P2PK). Sender and receiver offline but they anticipate a payment in the future:.- Lock ecash to receiver's pubkey.- Just send ecash π₯.
3
9
33
We're very excited about these bounties for new Cashu developers!. We believe that ecash will have a profound impact on the privacy for online payments and for freedom of transaction on the web. Code with us for a better future!. Thank you for supporting this vision @HRF π§‘.
4
7
36
β¨ Sneak peek: Animated QR codes for transmitting arbitrary-size ecash tokens coming to Nutstash by @gandlaf21 β and probably other Cashu wallets soon too!
6
5
33
Congratulations @thesimplekid and thank you for your relentless work on the Cashu Development Kit!. CDK is written in Rust π¦ and allows you to build custom Cashu wallets and mints. Check it out:
New grantee. @thesimplekid will be working on CDK (Cashu Dev Kit), another FOSS protocol for ecash thatβs designed to increase privacy, security, and scalability Nostr: Proposal:.
0
6
35
π₯ New: is an interactive tutorial site to learn how to use a cashu wallet. It was developed with Cashu Wallet SDK, which aims to provide an easy to use, embedable wallet for any website.
3
8
35
π₯π₯ Milestone release: Cashu Nutshell 0.13.0 β Ecash seed phrase backups!. Cashu aims to be the open ecash protocol for the web built on #Bitcoin. One of the challenges of ecash lies in its barer asset nature: if you lose your wallet, your funds are gone. Not anymore! π.
4
6
33
"What if we could create a [Cashu] mint that could be penalized if it doesn't play by the rules? That's where STARK proofs come in.".
6
7
33