Linky

Linky is a mobile-first PWA for managing contacts, messaging via Nostr, and sending Lightning payments using Cashu tokens. It is local-first: your data is stored locally and the app works offline.

Public Key

npub1kkht6jvgr8mt4844saf80j5jjwyy6fdy90sxsuxt4hfv8pel499s96jvz8

Profile Code

nprofile1qqsttt4afxypna46n66cw5nhe2ff8zzdykjzhcrgwr96m5krsul6jjcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduqs6amnwvaz7tmwdaejumr0dsth9wf9

Publishing to

relay.damus.io

nos.lol

Author Public Key

npub1kkht6jvgr8mt4844saf80j5jjwyy6fdy90sxsuxt4hfv8pel499s96jvz8

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Last Notes

2026-04-02 12:51:20 UTC

Pay with cashu to your contacts
https://blossom.primal.net/6645a2d4287cf9997e8834df998d7469a9451612948b93207db50d0ca630c049.mov
https://blossom.primal.net/72554e60f7c0bfe51ea416374382b211aa1843e0a099e9e5407348ef2a4b4332.mov

2026-04-02 03:20:14 UTC

Top up Linky with any lightning ⚡️ wallet…
Or test it first with testnet mint without worries.
https://blossom.primal.net/6701c5398a5a666a80b63d92f72339fed6e88c8bdfa9badd401828d88c01448e.mov

2026-04-01 16:41:11 UTC

Three clicks to start accepting bitcoin
https://blossom.primal.net/a94aff628306815d98b85b64fecfa36cc2c0a3a5e5adbfc35bec0a8e0894ee51.mov

2026-03-31 13:19:37 UTC

- Web now provides android file
- You can selectwhole balance when you click on ‘available’ in send modal
https://blossom.primal.net/94f87713e6339293ee7f08eb92188ce396153f63caff7468cc6ae94d86bf4548.png

2026-03-31 05:47:22 UTC

- reply

Lightning is lingua franca

2026-03-28 10:22:02 UTC

First web version is deployed 🚀
https://linky.fit/
https://blossom.primal.net/b6a29d2d90eb751c7741f0929be0d982bd7474ae1d334a80c3009b2bc265cab5.png

2026-03-21 07:48:53 UTC

Update released 🚀
* Improved copy on welcome screen
* The items in “Getting Started” are now bullet points
* I removed cashu words from the settings - it wasn’t working properly. If there’s interest in the future, I’ll implement it again
* The scan feature is larger
* Added the option to input data into scanning - for example an LN invoice or npub
* The scanner now opens immediately when adding a contact
* I set “Wallet” as the main page
* I wasn’t able to implement URI linking… I think a native app will be needed first
* I fixed repeated loading of already received messages

2026-03-15 05:09:02 UTC

You can choose your avatar from 8 random derivations.
https://blossom.primal.net/50dcb27669c9dd1cec8e79e2379fc17d8d991d370fbc9c6c0d9ce88c1dce6ca5.png

2026-03-11 13:24:32 UTC

You can switch to fiat if you are not ready for sats. I chose a somewhat unconventional approach. Two different units are not shown at the same time. And no decimals. If you want USD, you don’t see sats, and vice versa. In reality, everything is of course still in sats. Give it a try. I think it works quite nicely.
I also adjusted the limit setting for payments without confirmation. You can now enter your own amount as well, always in your selected currency.
It’s now also possible to scan LNURL (even without a predefined amount).
At the same time, if a contact can be extracted from it, the app assigns it so you know who you’re paying. If you don’t have that contact saved yet, the app will offer to save it to your contacts.
https://blossom.primal.net/d67e3f6bfe6d5b3cebeb2a706bacf5dd6f8873141a1acf8561714fe6f00157d5.png
https://blossom.primal.net/9253a453ba63aa623329d5147ec03e00039c65294ea6acfe4456af6192049be3.png

2026-03-11 05:12:56 UTC

Lightning payments above defined threshold needs to be confirmed now.
You can change the threshold in settings.
https://blossom.primal.net/e89bf01afa85150a73c9108624acc22917eb614ac7320d0c6d69ba6758e60f74.png

2026-03-10 19:01:30 UTC

Visible messages from unknown contact
https://blossom.primal.net/16c7719cb2265a68ff69f0a8b0dcec60de2fcaca0fe24dcb8b48ebce44eb8d4d.jpg
https://blossom.primal.net/ff57c9a14b0fd2780db8f8b38ad076668e8638867623aee1d10c63edf136a06c.jpg
https://blossom.primal.net/85dad2df9f839c68405170f74e068fb6c04622dfdb1f7333ebca90f0be2d3551.jpg

2026-03-10 19:00:18 UTC

Simplified profile and receive screen.
https://blossom.primal.net/2cc6eed9de54d9a5adff99e3ab4a4f356d8fb25cf27e69f5f6bcd02013194fcd.jpg
https://blossom.primal.net/4db4871caf0cf4a9f6d61c4dd2ad7ca1dcd5652a99763791f44888584ab49e9d.jpg

2026-03-07 13:01:13 UTC

Messages from unknown users will be visible for faster pairing.
https://blossom.primal.net/84ed6bc4d96f94e218396f0748a6d06609d1c25785aa919dac479c533bc8ffd9.png
https://blossom.primal.net/80fe7483b6f95b9fd30703ac3e0b7c41441470e712b15aed5f2626249d65dfed.png

2026-02-16 16:30:31 UTC

Improved messages:
- Reply
- Edit
- Reactions 🚀
https://blossom.primal.net/65925d35a66f5aa187bcbcc6f4325fa5098f9241d0cb535257a570d789f21df5.png

2026-02-04 19:36:18 UTC

New domain 🎉
https://linky.fit/

2026-02-04 12:30:15 UTC

Todays update:
Message deduplication
After payment, you are taken straight to messages and should see the latest payment
In Advanced Settings, there is an overview of used Evolu storage
In Tokens, there is an option to check all tokens at once and delete non-functional ones
Fixed: Not enough funds available for swap
Added https://testnut.cashu.space
to the list of offered mints for testing without risk. When you select this mint and then enter an amount in Receive, the invoice is automatically paid and you receive a test token.
Promises in payments are shown only when they are enabled

2026-01-24 10:48:00 UTC

10s to pay 10sats to your friend…
https://blossom.primal.net/7338ecbd81d3bbe95d01286c84a7bf2dccd3dc27bf95c4765733c06625ce2461.mov

2026-01-23 05:31:56 UTC

- Screens (contacts/wallet) can be switched by swiping left/right or clicking on the button in the bottom
- The top navigation bar has the same profile and menu on both screens
- When scrolling up, you will see the option to search for a contact or select a filter (if you use groups for your contacts)
https://blossom.primal.net/74c3056baaf1facbcc849224450caf745a1741e1e0d22ad58ef6d84fe56dd01b.png
https://blossom.primal.net/15e0cf877b36552773d0f9b0273646fd5da51bba83550a55f8abef90062d9641.png

2026-01-22 22:03:31 UTC

Switching between Contacts and Wallet seems to be confusing for many tester.. Will improve that…

2026-01-21 06:04:48 UTC

Contact list now has a preview of last message or payment.
Payment can be triggered directly in message.
https://blossom.primal.net/1f0f61eeec5a012070e7b2ddfe7c5a25292a7ca6555427d886b6b8e96eb49bbf.png
https://blossom.primal.net/b9dbd58509e1e018f5c33f04d79645759e72aa6f605ba358d7113f7f10157774.png

2026-01-21 06:01:35 UTC

Tokens are now hidden in details of wallet.
https://blossom.primal.net/6bec8cebd6bb9a243999ff3891845be9a5d629b62310f47349b65a51479602cf.png
https://blossom.primal.net/3987ee2bac3391c8b63389088768229f79d4a86bd658f85c293d51b3ce7177cc.png

2026-01-18 19:29:49 UTC

- reply

I believe that generally should be derived nostr keys from words.. (not otherwise) but it has some trade-offs.. So I actually start with nsec as of now.. (and derive seed from it)

2026-01-17 09:56:01 UTC

Now You can set custom mint in Linky. And sending tokens from various mints in the same time.
Linky prefers to keep tokens from selected mint and spend primary the tokens from other mints..
https://blossom.primal.net/b03385b8f67eb401b3ecd20cc8389f6d87bc991966a91acb281265c1adaf0ee9.png
https://blossom.primal.net/19def8b7fff42992b90603b39e563e009374c7734bd32bd7019572ce52484b8c.png

2026-01-15 09:32:27 UTC

Pay to contact with cashu on default.
https://blossom.primal.net/6b8c3f8f01b67318977977c2a0e6bc22bf7c9a3354c034592cb4b292d3b4af9c.png

2026-01-15 06:36:10 UTC

- reply

Contact based cashu wallet 🫡

2026-01-13 21:43:13 UTC

Additional option to recover cashu tokens added to Linky
https://blossom.primal.net/3cf522483b8aad67e34eaa8771f7a1990bec37194a95e7a711e2d803684da505.png

2026-01-12 17:46:14 UTC

- Improved transaction reliability and UX
- Able to scan lightning address and select amount to pay
- Offers contact addition after payment
https://blossom.primal.net/cd1a491b8b779b5887c6699c11c9bbbdc0c8a5cf7362ab043b5737059580aab4.png

2026-01-10 07:04:54 UTC

Adding tutorial
https://blossom.primal.net/481290b53f86bd57eaa000468c94c928fa27540c64cd0fd1ec79e83122992c7d.png

2026-01-09 16:23:57 UTC

Direct top-up added into wallet
https://blossom.primal.net/bb9a6ba59aa6ade79cc3b56c1c091b6518043cbb6047dd873aad4411c00c8a00.png

2026-01-09 07:47:27 UTC

- reply

Thanks. I’ll have a look 👀

2026-01-09 07:14:50 UTC

- reply

Thanks for the feedback.
Which remote signer and extension do you use?
And what are the benefits?

2026-01-09 06:04:44 UTC

New profile now gets generated name, avatar, and lightning address.
- User can always get back to these default values
- Also improved fetching from nostr
https://blossom.primal.net/e86cce2bbe2f96641a82436a07b545cd33fa1d4f21d0d9835e1f72c7657d95de.png

2026-01-07 05:18:50 UTC

Hello World,
New app for personal contact management is here:
* Linky creates a new account with a single click
* Immediately generates a Lightning address for you
* When you receive bitcoin to this address, it appears in your wallet
* You can instantly pay your contacts
* Everything is updated in real time across all devices where you log in with the same account
* If your contact uses Nostr, you can also exchange encrypted messages with them
* At the same time, you won’t see any spam — communication intentionally requires consciously adding each other as contacts first
* All data is independent of the app, so you can switch to a copy of it or another app using the same protocols at any time and everything will keep working 
You can check it out here: https://linky-weld.vercel.app/
Please provide your feedback 🙏