erik

Been thinking about how ecash wallets handle mint selection.
https://m.primal.net/PzWj.gif
Option 1: Automatic mint connection.
https://m.primal.net/PzWn.jpg
You connect users to a default mint automatically during onboarding.
✅ No friction
✅ Noob friendly
✅ Start making transactions right away
Comes with risks: Passive users, mint centralization, and custodian choice lands on the wallet.
Option 2: Manual mint selection
https://m.primal.net/PzWp.jpg
More common approach. Show users a list of mints (usually via bitcoinmints.com) and ask them to pick one before proceeding.
There’s a third approach I keep circling back to: Just-in-time mint selection.
https://m.primal.net/PzWs.jpg
The wallet doesn’t ask you to choose anything upfront. You’re asked to trust a mint only when you first try to do something, like claim ecash or top up your wallet.
Every approach appeals to different types of users. Depends on what wallet devs want to prioritize too. How and when you throw the decision to the user shapes how they relate to ecash.

2025-03-29 20:53:44

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That entire pay with Cashapp flow was a banger. This is the way we speak to them. Cashapp has the culture.

2025-03-29 10:14:20

https://m.primal.net/PxBq.jpg

2025-03-27 22:11:14

I miss CoinJoining on Wasabi. It just felt good.

2025-03-26 14:01:44

gm
https://m.primal.net/Ptnp.png

2025-03-24 13:59:45

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https://sovranbitcoin.com/
Still in beta. Very buggy. Only use for testing purposes.

2025-03-24 12:23:46

A quick summary of some stuff I've been working on over the last few months. https://orangewindjammer.substack.com/p/8-what-ive-been-building-lately
https://m.primal.net/PrRW.jpg

2025-03-24 08:43:32

gm
Art by Mac Baconai
https://m.primal.net/PrHu.jpg

2025-03-23 17:19:20

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Sure thing! Do you have a minibits.cash address?

2025-03-23 17:17:36

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Not sure. I'm on a new build with a slightly different recovery + account creation flow, but I just tried creating a new profile and it's broken here too. cc @nprofile…l693

2025-03-22 21:40:01

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Agreed! I tried to clean this up in the design. Will pass along your feedback. It’s aligned with where I’d like to see the home screen go.

2025-03-22 12:59:41

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What are some ways you think cashu.me could be improved? Any thing that you find frustrating about it when you use it?

2025-03-22 11:16:48

gm https://m.primal.net/Povf.mp4

2025-03-22 09:04:41

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Incredible foresight too.

2025-03-22 00:07:39

https://m.primal.net/PoWO.jpg

2025-03-21 09:45:59

gm. Working in bitcoin is such a privilege. We're surrounded by the greats in the field of cryptography, we get to design alongside them, we get to see them work. It’s wild. Inspiration is an incredible feeling.

2025-03-20 09:52:57

The OpenCash website is live: https://opencash.dev. I designed and developed it myself. Really happy with the results. Check it out, and support the development of open-source digital cash.
Huge thanks to @nprofile…pvsl for the logo. His work is great.

2025-03-19 19:37:33

https://m.primal.net/PlmC.jpg

2025-03-17 09:51:38

GM. I came across this great podcast on the history of coinage. If you're into history and money you'll enjoy.
https://www.fountain.fm/episode/txa36PhhMcLgaduzfwo8

2025-03-14 06:58:38

Would be easy to do this with ecash I think.
#nevent1q…de55

2025-03-12 20:12:53

Biggest problem or risks with vibe coding?

2025-03-09 10:10:30

GM. I just came across this open source poster project via @nprofile…9828 . I really like this Andy Warhol flip called INFLATIONSOUP by @nprofile…lhkl https://www.artoffreedom.net/free-open-source-posters/zetra https://m.primal.net/PZXO.jpg Thanks for designing this. Just sent you some sats!

2025-03-08 13:35:55

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Not by default imo. Maybe something the user toggles on if they want. What’s the reason for adding it? Sats are confusing enough imo, and if they user wants to add extra content to the emoji, such as the amount or other info they could just type it.

2025-03-06 14:19:07

this is ecash 🍕󠅓󠅑󠅣󠅘󠅥󠄲󠅟󠄢󠄶󠅤󠅔󠅇󠅘󠄠󠅔󠄸󠄲󠅪󠄿󠅙󠄨󠅦󠅉󠅇󠄥󠄠󠅑󠅇󠅊󠅠󠅉󠅈󠅁󠅥󠅉󠄢󠄶󠅪󠅑󠄷󠄶󠄡󠅉󠄣󠄾󠅘󠅔󠄷󠄶󠄠󠅗󠅑󠄺󠅘󠅑󠅅󠅗󠄱󠄦󠅂󠄻󠄴󠄸󠅦󠄼󠅊󠄱󠄢󠄶󠅧󠅗󠅡󠅂󠅘󠅉󠅁󠅘󠅘󠅓󠄣󠅘󠄱󠄽󠄢󠅅󠅩󠄽󠅪󠅂󠅝󠄾󠅪󠄾󠅚󠄽󠅄󠅆󠅙󠅉󠅚󠄾󠅚󠅉󠅪󠅉󠄥󠄽󠅇󠅅󠄡󠄾󠄷󠄺󠅝󠄾󠄷󠄵󠄢󠄽󠅚󠄵󠄤󠅉󠅄󠅁󠅩󠄽󠅇󠅅󠅧󠄿󠄷󠅉󠅨󠄽󠄢󠅁󠄥󠄾󠅪󠅆󠅛󠄽󠅪󠅛󠄤󠄿󠅇󠅉󠄣󠄽󠅝󠅆󠅜󠄾󠄴󠅗󠅨󠄽󠅚󠄱󠅧󠅉󠅚󠄲󠅝󠅉󠅇󠄶󠅚󠅇󠄳󠄵󠄴󠅢󠄣󠄼󠅨󠄴󠅖󠅄󠅖󠄴󠅓󠄣󠄣󠅉󠅢󠄼󠅪󠅧󠅣󠅙󠅔󠅑󠅤󠅑󠅡󠅖󠅦󠄩󠅟󠅛󠄿󠄽󠅆󠄦󠅞󠅕󠅞󠅜󠅢󠄴󠄱󠅔󠅒󠄩󠅘󠅊󠄻󠄾󠅘󠅊󠅆󠅗󠅗󠅝󠅚󠅔󠅨󠄾󠄷󠅞󠄷󠄦󠄧󠅅󠅗󠄱󠄝󠅛󠅤󠄼󠅨󠅜󠅓󠅤󠄴󠅨󠄧󠄝󠅚󠅨󠅜󠅑󠄼󠅡󠅀󠅓󠅔󠅤󠄻󠅥󠅊󠅊󠅑󠄽󠄱󠅔󠅘󠅓󠄡󠅗󠅗󠄤󠄾󠅊󠅧󠄲󠄹󠅤󠄝󠄻󠄱󠅀󠅏󠅦󠅣󠅠󠄾󠅁󠄻󠄲󠅆󠄷󠅖󠅜󠅃󠅁󠄸󠅈󠄡󠅝󠄠󠅃󠅈󠅦󠄩󠅣󠄺󠅏󠄠󠄥󠄺󠅈󠅦󠄩󠅘󠅓󠅜󠅗󠅗󠄝󠅪󠄦󠅡󠅠󠄲󠅥󠅚󠅇󠅖󠅈󠅑󠅃󠄝󠅒󠄳󠄹󠅕󠅩󠄩󠅤󠅑󠅢󠄠󠄷󠅖󠅏󠅪󠅈󠅀󠄦󠅔󠄧󠅆󠅤󠄢󠅔󠅀󠅑󠅩󠅦󠅛󠄿󠅛󠅉󠅇󠄵󠄵󠅉󠅈󠄾󠄤󠅁󠄴󠄾󠅚󠄽󠅪󠄶󠅙󠄾󠅪󠅉󠄤󠄽󠅄󠅅󠅧󠄽󠅚󠅆󠅙󠅊󠅄󠄲󠅛󠄽󠅇󠄺󠅜󠅊󠅄󠅉󠄢󠅊󠅚󠄽󠅪󠅊󠅚󠅊󠅙󠅊󠄷󠄵󠄣󠅉󠅄󠅂󠅙󠄾󠅪󠅆󠅜󠄽󠄷󠄶󠅝󠄽󠄷󠅉󠅨󠄿󠅇󠄾󠅝󠅉󠄢󠅁󠅧󠅊󠅚󠄵󠄠󠄾󠅄󠅗󠄤󠅊󠄴󠄾󠅜󠄽󠅄󠄹󠄤󠅉󠅝󠅂󠅘󠅉󠄡󠅗󠅘󠄱󠅛󠅓󠅉󠅈󠅠󠅒󠅑󠄹󠄺󠅪󠄽󠅔󠄥󠅗󠄳󠅤󠄳󠅏󠅣󠄻󠅁󠄢󠄤󠅨󠄝󠄣󠅛󠅕󠅞󠄤󠅤󠅤󠄩󠅞󠅃󠄵󠄻󠄱󠅨󠅩󠄣󠅔󠄼󠅉󠅇󠅃󠅚󠅉󠅇󠅆󠅉󠄹󠄻󠅢󠄾󠄵󠄵󠄡󠅟󠅪󠅁󠄨󠅒󠅨󠅣󠅏󠄤󠅦󠅇󠄵󠅀󠄩󠅑󠅥󠅇󠄲󠅏󠄼󠄣󠄿󠄻󠄥󠄣󠄶󠄩󠄼󠅞󠄺󠄳󠅊󠅑󠄹󠅧󠅨󠄡󠅉󠅈󠄾󠅉󠄹󠄴󠄾󠄱󠅓󠅗󠅜󠄩󠅛󠄿󠄾󠅀󠅦󠅜󠄴󠅔󠅛󠅇󠅉󠄦󠅣󠅏󠄵󠄿󠅛󠄾󠄢󠄳󠅂󠅝󠅙󠅂󠄻󠅛󠄽󠅡󠄤󠅟󠅘󠄡󠅁󠅔󠅁󠅙󠅉󠅈󠄺󠅉󠄹󠅀󠅗󠄦󠅗󠄧󠅗󠅤󠄡󠅆󠄡󠅡󠅂󠅘󠅞󠄿󠅩󠄽󠄤󠄼󠄻󠄤󠅜󠄷󠄽󠅒󠅂󠅈󠅝󠅇󠄨󠅣󠅣󠅆󠅉󠅣󠅚󠅜󠅢󠄷󠅢󠅏󠅅󠅉

2025-03-03 14:01:59

Been using @nprofile…kucd for one week. There's no way I'm ever going back to google or duckduckgo. If you want a try Kagi but don't have an account you can use https://athenut.com. Pay with bitcoin, use Cashu ecash to get results from Kagi. From a UX perspective, you just pay an invoice, and it unlocks a set number of searches you can use. https://m.primal.net/PSPB.png

2025-02-27 09:56:31

May a million spaces like this flourish https://www.presidiobitcoin.org/

2025-02-25 18:03:03

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You can run it locally and play around yourself. I'm still working on the last 4 steps, but you can see the direction it's going in. Your feedback is a gift. https://github.com/swedishfrenchpress/cashu-brrr/tree/ui_rev1

2025-02-24 14:58:50

Sushant has been working on the @nprofile…0a8l onboarding flow as part of the @nprofile…2cgl & @nprofile…09x5 fellowship, and I’m really liking where it’s headed. https://m.primal.net/PJaF.png

2025-02-04 11:31:52

GM. I hope you chase your dreams with a burning desire and find happiness in your heart. I wish nothing but prosperity and abundance in your life.

2025-01-29 15:16:42

After 3 months of tinkering I am finally pulling near perfect espresso shots. This morning I hit exactly 36 grams in 28 seconds with solid pressure.

2025-01-27 18:58:35

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Nah I’m straight

2025-01-26 14:07:54

The gates of shitcoinery are about to open to degrees previously unimaginable. We must stay focused.

2025-01-17 11:32:51

GM. I hope you enjoy this Fra Mauro map from the 1450s.
https://m.primal.net/NknF.jpg

2025-01-14 02:04:51

Very promising! Enjoyed running through this.
#note1qqq…y0lm

2025-01-14 01:16:44

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Nice to see you here!

2025-01-11 12:27:42

I’ve become a Marco Polo denier. I no longer believe he made it to China.

2025-01-08 14:47:13

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Plz ser mi familia

2025-01-03 12:43:00

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GM fren

2025-01-03 01:23:42

Land of the free.
https://m.primal.net/NPkb.jpg

2025-01-02 00:37:31

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Blessed to have you on the mission. Looking forward to keeping up with what you ship this year.

2025-01-02 00:36:20

Semiconductor lithography is literally alchemy.

2025-01-01 13:36:48

https://m.primal.net/NNlC.jpg

2024-12-31 17:51:17

James Baldwin was truly one the greatest public speakers of all time.

2024-12-31 00:03:21

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I love this logo. Who made it?

2024-12-25 15:38:12

Christmas tri-tip with a peppercorn sauce from scratch.
https://m.primal.net/NGMy.jpg
https://m.primal.net/NGNB.jpg

2024-12-24 21:57:05

Broke the fourth wall but I'll fix it.

2024-12-24 01:18:36

Otis Redding died at 26. Biggest hits came out after he died, that’s crazy.

2024-12-23 00:43:12

This is the way.
#note1l7s…96a3

2024-12-23 00:13:52

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Same! Reverse sear?

2024-12-21 16:03:20

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A lot do trackers already have an on chain wallet. They’re comfortable using it and already have it backed up. i imagine pitching this as just a funnel to their existing setup. That pitch eases the burden. They don’t ever need to think or learn about LN or ecash. They’re busy and don’t have time to learn new things, manage mints, manage a lightning node etc…With this system they would now have an npub to receive ecash and LN, while being able to rest assured it will end up in their on chain wallet that they’re already familiar and comfortable with.

2024-12-21 09:26:41

Private trackers should start accepting cashu payments. Literally all they need is an npub. I feel like a missing piece is an automated and private way to sweep the funds to on-chain. I’d love to help design a tool for private trackers to sign up with nostr, enter an on-chain address, and that’s it, they now can receive ecash and lightning. Big risk is the role of the mint doing the swaps. I wonder if Nutsack can fix this somehow.

2024-12-18 20:50:02

Proper deep late night coding and design music.
https://youtu.be/rP1RotuyIio

2024-12-09 13:03:49

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I don't want a signer though. I just want someone to securely store my nsec. From what I gather (after completing the onboarding) this will require me to approve events. I don't really want that.

2024-12-09 12:40:50

Just watched Saifedean’s talk on Islamic finance. Left me wondering: Is ecash haram? It’s basically a credit transaction with a future promise for accessing the money.

2024-12-09 12:29:21

Is there an open-source and community trusted android app I can use to manage my nsec?

2024-12-05 20:47:37

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Thanks fren 🥜

2024-12-05 16:23:05

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If your feeling generous: you can send some nuts my way:
creqApGF0gaNhdGVub3N0cmFheQEpbnByb2ZpbGUxcXl0OHd1bW44Z2hqN3VuOWQzc2hqdG5zd2Y1azZjdHY5ZWh4MmFxcHozbWh4dWU2OXVoaHlldHZ2OXVqdWVycGQ0Nmh4dG5mZHVxM3dhbW53dmF6N3RtanY0a3h6N2Z3OHFlbnh2ZXd3ZGN4emNtOTl1cTNzYW1ud3Zhejd0bWp2NGt4ejdmd3dkaHg3dW41OWVlazdjbWZ2OWtxejhyaHdkZW41dGUwZGVoaHhhcmo5ZWtoMmFyZmRldWh3Y3R2ZDNqaGd0bnJkYWtzenJ0aHdkZW41dGUwZGVoaHh0bnZkYWtxcWc4N2Fxc3V2MzQya3FhZHR2eDQ3cW1jcmw0dm1seGc3aG1uNTRzcnVkdXFzdDA5Zmw2anhzdXByOWZ2YWeBgmFuYjE3YWloYzg4ZWI1MmJhdWNzYXRhbYF1aHR0cHM6Ly9hbnRpZmlhdC5jYXNo
https://m.primal.net/MoUW.jpg

2024-12-05 13:32:56

The ecash section of the @npub13s5…l03e guide is live! Thanks to all the #Cashu and #Fedimint devs who helped out. I got to think through some of the unique nuances of ecash and suggest some design best practices. Check it out and let me know your thoughts: https://bitcoin.design/guide/how-it-works/ecash/introduction/
https://m.primal.net/MoOZ.mp4

2024-12-04 01:12:05

One day, years from now, you’ll scroll through your old Nostr events, see the dates, and feel a warm kind of sadness. Don’t forget the little notes and zaps that made you smile. You’ll be older, smarter, and maybe you’ll outgrow it, but don’t forget Nostr and moments it gave you. It was there for you when everything else was being captured.

2024-12-03 09:23:23

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I use it with Mullvad all the time. What VPN are you using?

2024-12-02 13:00:12

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I was listening to this cover of Spanish Bombs and misheard a lyric in the second verse as, ‘Back in the Basque, they talk in flashes.’ It brought back a memory of meeting a stranger at a bar in Barcelona in 2017. He was from the Basque and shared stories about his home, his life, and eventually the conflict. He came from a family of proud Basque nationalists and expressed sympathy for the ETA bombings. At the time, I found it fascinating because I had never heard about it before. I remember thinking, ‘One day, I want to read and learn more about this.’
https://youtu.be/y9yF0bBj78o

2024-12-02 00:31:55

Current hyper fixation: The Basque conflict.

2024-12-01 10:57:32

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I’ve been meaning to read this. I remember reading in Nick Bilton’s book about the Silk Road that Ross was a huge fan of it. It might have even been featured in the Silk Road book club.

2024-11-28 12:46:49

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lol, didn’t really think of it. Just wanted to put something instead of image. With hindsight an image would have mode more sense.

2024-11-28 10:58:05

We’ve added an FAQs page to Athenut. Check it out: https://athenut.com/faq . Are there any other features you would you like to see added?
Next we’re going to add the ability to export your searches as a Cashu token. This way you can gift shares to other users, and they can redeem them directly in the browser.
https://video.nostr.build/c00660cae6607d158734ab708697d84126dd5fbf68aafd33768571057c9de75f.mp4

2024-11-28 01:51:14

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What do you mean by multisig mints? As in the user has to authenticate with different devices/keys before they can issuing a token? How would the mint enforce such a thing?

2024-11-27 10:04:55

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It's for Hoseki (www.hoseki.app). I can't say much else unfortunately but when it launches I'll be sure to share.

2024-11-24 14:05:24

Gandlaf21 just released one of the most fun Cashu tools yet. Channel your inner Federal Reserve and print your own cash. You can even personalize the bills with your own logo.
https://image.nostr.build/a0d02f110004eda2092973172352af81b8aa1022a1f8ac88eafffaffd4174aef.png
#note14h6…hku3

2024-11-20 14:16:43

We need more poets in bitcoin.

2024-11-19 17:59:22

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Idk what that mean but sounds big, congrats!

2024-11-19 09:04:32

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Not me! Cc @npub1mhc…c226 is the man

2024-11-17 12:47:03

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https://m.primal.net/MYvn.jpg

2024-11-16 15:03:43

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"...the users didn’t know what they wanted, because they were not aware of the possibilities to begin with."
This is a deep insight Tim. After spending time in the corporate UX world and getting lost in all the jargon and buzzwords, I’ve realized what really matters is just getting the tools into people’s hands. They’ll figure out what they need, what works, and often come up with ideas that would never see.

2024-11-16 15:00:40

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Funny enough at the end of the talk he mentions that shipped code is what matters. The rest is talk.

2024-11-16 13:21:41

Amir Taaki on how the sci-fi UIs we saw in movies never became a reality. Instead, we got ugly apps, material design, and the idea that UIs should be dumbed down for users.
https://m.primal.net/MXul.mp4

2024-11-15 21:57:04

Athenut has reached 830 searches! This project holds a special place in my heart. It was the first project where I designed the entire front-end. I relied heavily on Cursor, but still an accomplishment I’m proud of!
Check it out: https://athenut.com/
https://m.primal.net/MXOp.jpg

2024-11-14 13:54:48

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https://wormhole.app/RA276#lH9J3_ipf7AxWLJo2qvBaA

2024-11-14 09:52:28

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It’s a positive meme! Just look at the 💪 on both!

2024-11-10 05:52:11

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This looks cool. You learning to code with it?

2024-11-08 17:01:24

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You listening to Westside Gunn?

2024-11-07 23:15:29

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Thanks for flagging. I will try and recreated to fix. Cc @npub1qjg…lgjw

2024-11-01 13:11:21

The official unofficial Cashu national anthem.
https://youtu.be/HJNa9Ih3haA?feature=shared

2024-10-31 23:40:03

NEW: Invoice history on Athenut! Some people mentioned losing their searches after paying an invoice, so now we show a record of all your paid and generated invoices. If you’ve paid and didn’t get your search credits, you can refresh the invoice, and the credits should show up.
Also fixed some navbar issues, should be less clunky and cleaner on mobile.
https://m.primal.net/LohC.mp4

2024-10-31 10:04:02

It's been 3 weeks since I quit my day job.
I wake up and work on bitcoin projects.
I am happy.

2024-10-31 00:15:00

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We just added back up and recovery! They’re live on the site. Next we’re going to introduce a way for you see your search purchase and check the payment status for each one.

2024-10-31 00:12:05

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We just launched back up and recovery. It’s live on the site now. In the future wee want to build something that will allow you share your search credits in the form of ecash.

2024-10-30 18:17:38

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Is this an error message you're getting?

2024-10-30 17:01:59

There’s been some questions about pronouncing “Athenut.” It was conceived as a play on the Greek goddess of wisdom, so we pronounce it “uh-THEE-nut.” There’s a great branding opportunity to create something clever with the logo. https://m.primal.net/LnJl.png

2024-10-30 16:49:21

You will use Athenut and you will be happy.
#note1ykd…s8jl

2024-10-30 16:28:17

You spoke, we listened, we shipped.
Dark mode and recovery are now live on Athenut.
🥜https://athenut.com🥜 https://m.primal.net/LnIV.mp4

2024-10-30 16:27:43

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Well deserved. Geeking out over on the design and experience of Bitkey is one of my recent past times. You guys did a killer job on this.

2024-10-29 16:59:40

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Yeah! I did the front-end design and thought through the UX. Any critical feedback you have is helpful!

2024-10-29 16:29:33

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Thanks for giving it a spin!

2024-10-29 16:26:30

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What kind of errors did you see? Any messages or did it just not load when you tried to search?