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Building https://npub.cash ๐Ÿฅœ Working on awesome nostr, cashu and Lightning stuff ๐Ÿ’œโšก๏ธ

React Native with Expo. Web, iOS and Android from a single source. However it can get tricky when it comes to crypto operations, but you can always get things to work.

The web would look vastly different if it was not for display advertisement. It enabled millions of content creators world wide. Value4Value can change that, but we are not quite there yet.

BitBox has something called Anti-Klepto that makes this attack impossible. You can read more about it here: https://bitbox.swiss/blog/anti-klepto-explained-protection-against-leaking-private-keys/

Replying to Avatar Johnny

That is a good one!

What is your guilty pleasure? (As in: Instead of buying this I could be stacking sats, but I am still doing it)

#asknostr

This is the new token format. Most wallets do not support it yet. Newest nutshell release should be able to redeem it

This is the first v4 token ever created by cashu-ts...

cashuBpGFkYGFteBxodHRwczovL3N0YWJsZW51dC51bWludC5jYXNoYXVjc2F0YXSBomFpSABBRr30qa+rYXCCo2FhBGFzeEBjYWYwZGY4MjZmYTdhMDQxNzdjM2E5MzI3MjY3NDhhZmMyMTZhMDQ1OTA1OGVmNzUyMGQyMGM5NTZlNmE0NmUwYWNYIQJEqBgm4Ytnt8Ww3WScscWgXgu7FYmzp+Ga4t64D07NFKNhYRBhc3hANmM2MWZlNTBhOWVkMWZlNWVjMjQzZWNkYmE2YjNkNzRiMmU3ZGUzYzk5NzNkMGVjNWI0OGI2Mzk1MzQ4NDU

5OWFjWCEConcD41SS1hac0ukY9tnXQY6c5ke4vbxnOLJF/KIWk2g=

please let me know if this works ๐Ÿ˜‰

After days of debugging and reading CBOR spec I finally had a major breakthrough and was able to fully encode a v3 Token in cashu-ts. Yay! ๐Ÿ‘€

Replying to Avatar PABLOF7z

nostr:npub1mhcr4j594hsrnen594d7700n2t03n8gdx83zhxzculk6sh9nhwlq7uc226 what's the plan for cashu-ts for this? want to add it to ndk-wallet/nutsack asap ๐Ÿ˜€

Nothing concrete yet, other than me thinking that this is a must have. However I personally have never built something with MPPs before so I will need nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg help on this one ๐Ÿ‘€ ๐Ÿ’œ

The next release of npub.cash will include a token history. There you can re-surface your last 50 withdrawals.

Why? This will enable me to be much more optimistic about token state. Once you click claim, the server will reduce your balance and mark the eCash as spent. Even if something goes wrong afterwards (e.g. you close the website before being able to claim) you can show the token again to claim it.

https://m.primal.net/Jdns.mov

Pretty close to releasing the biggest update to npub.cash so far.

Most changes are under the hood, optimising the way npub.cash handles token state in order to reduce the amount of requests.

Also I am adding support for nostr-based cashu wallets like nutsack ๐Ÿ‘€ Users will be able to withdraw their balance to their nostr-cashu-wallet. Furthermore you can setup a "redirect" so that all transactions land in your nostr-cashu-wallet automatically, essentially adding a npub.cash address to every nostr-cashu-wallet out there.

These changes do not only require a lot of work on npubcash-server, but also on the website and the SDK. I hope to get it out by early next week ๐Ÿ’œ

How much time do you spend on a project before you consider a full rewrite for the first time? :>

nostr killed the killer app

As I have been saying... Zap these nuts! โšก

๐Ÿ‘€ Claiming from npub.cash directly to your Nostr Cashu Wallet? No mind if I do!