modulo

Sometimes, you choose the path.
Sometimes, the path chooses you.

https://lightninginajar.xyz

https://modulo.network

₿ a threat through good works
Bitcoin Purists

Public Key

npub1hqva2radggqltaj8n7vqpj9pkddc7lf6cmsuchm3dp4kr52syeqsrap4sd

Profile Code

nprofile1qqstsxw4p7k5yq047erelxqqezsmxku005avdcwvtacks6mp69gzvsgpzpmhxue69uhkummnw3ezuamfdejszrthwden5te0dehhxtnvdakqyuz26s

Publishing to

Author Public Key

npub1hqva2radggqltaj8n7vqpj9pkddc7lf6cmsuchm3dp4kr52syeqsrap4sd

Show more details

Last Notes

2026-11-05 16:38:36 GMT

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Now that it’s in and has been up for a bit—is there an area on the joinstr.xyz page to list the wallet? Would love to get more mixes going.

2026-11-05 07:04:07 GMT

Think in years. Plan in decades. Save for generations.
#modulo modulo.network
https://image.nostr.build/b11c0b3fb64d872e471013fca09bdf22900f31917730d2d0c1ac299675bf9f10.jpg

2026-11-04 20:51:46 GMT

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In my primal version the link opens fine inside of Primal. I’d like to know where it fails, so:
1. On WiFi, tap the link in my Primal bio again. Does it still fail?
2. If it fails, turn WiFi off and tap it again on cellular. Does it open?
3. Is iCloud Private Relay on? (Settings > your name > iCloud > Private Relay)
If everything fails, I’d be interested to know what Primal version you have if you are willing to keep going.
https://video.nostr.build/63ed6b9d17e98f6fb5fef1dad38e0c7d5c40ae45b1d037db92f512bb640bd86f.mp4

2026-11-04 15:41:54 GMT

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Still looking into this but everything looks good from my end.
If you don’t mind, could you tell me:
• your iOS version
• whether you were on WiFi or cellular, and which country you are in
• whether https://www.ssllabs.com/ssltest/viewMyClient.html loads in your Safari
What strikes me odd is the screenshot Doesnt look like a current version of Apple products, but it says safari…

2026-11-04 15:11:50 GMT

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Some networks filter the .xyz address—can you reach joinstr.xyz ?

2026-11-04 15:02:29 GMT

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Thats really strange—both
https://lightninginajar.xyz
and
https://modulo.network
are visible on this end.
Sorry for the trouble

2026-11-03 04:49:37 GMT

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😆

2026-11-01 19:32:14 GMT

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I always get those mixed! 😅🤝

2026-11-01 18:37:05 GMT

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I completely agree. Always seek for better in all aspects, and leave low-time preference slop behind.

2026-11-01 18:27:31 GMT

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If you can’t stand the bells, get out of the campanile.
https://video.nostr.build/c4b309e735150cc99b84edd4a0a872a3497ad4bb39bd81861adf13d88e73b624.mp4

2026-11-01 16:53:20 GMT

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That ad needs warnings: “USDT: It’s digital, but don’t you worry. It’s worth the same every single day**”
**Tether is not a bank account and is not FDIC insured. Do not take Tether if you are allergic to audits. Tell your issuer if you have a history of bank runs, exchange collapses, or 2022.
Side effects may include sudden loss of peg, dizziness while reading reserve attestations, frozen wallets, blacklisted addresses, and the feeling that someone else holds your keys, because someone does. Past reserves have included commercial paper. Redemption may require identity checks, a six-figure minimum, fees, and patience.
Stop using Tether and call your lawyer if your dollar is worth 95 cents for more than four hours.
In rare cases, users have experienced regulators, subpoenas, and the slow realization that "backed" and "audited" are different words.
Do not operate heavy machinery while confused about the difference between a dollar and an IOU for a dollar.
Ask your financial advisor if Tether is right for you. Do not ask a Bitcoiner unless you have three hours free.

2026-11-01 06:48:44 GMT

@npub17y0…chxj 👀
#nevent1q…nl3z

2026-10-31 16:28:23 GMT

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Hal?

2026-10-31 03:48:25 GMT

Lightning in a Jar ワレットの中で、レジあり…
https://lightninginajar.xyz
https://image.nostr.build/131f17109537bb4dcc8efe3b1e3f162c4a5456bc203926bde7cbe3180693dcf7.jpg
https://video.nostr.build/ae9fb4f23b2e39b6ee72c632185565c84f488266fb4a5130030607b9d99681d1.mp4

2026-10-30 21:37:53 GMT

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The sign of End Times

2026-10-29 17:57:06 GMT

Lightning in a Jar wallet Register app captures the fiat amount at the time of the bitcoin payment so store owners can end-of-day-reconcile to their registers.🤙🏻🧡🤙🏻
https://lightninginajar.xyz
https://video.nostr.build/d420707ccaecfe2b48a14f01b23b5d62bfd347966c92317a8386464f10e9f903.mp4

2026-10-29 06:14:39 GMT

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Guessing the same

2026-10-29 05:30:27 GMT

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If it’s not moving bitcoin, what’s the point?

2026-10-27 19:43:20 GMT

Protected—you rest easier as all other methods fail around you.
Generate your bitcoin key offline.
#modulo modulo.network
https://video.nostr.build/3aa5f98658f82e5f7d759253fef5175dd02fd507e74e87aa5a4a22c0c502f7b8.mp4

2026-10-26 04:56:26 GMT

#nostr too.much.signal

2026-10-26 00:58:43 GMT

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This is so true. Thank you.

2026-10-25 06:30:24 GMT

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All four parts are in—thanks!

2026-10-24 06:12:25 GMT

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Got it—thank you. Reading it now and will come back in a day or two.

2026-10-24 06:03:19 GMT

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But what I think you might be looking for is the other—more simple—wallet:
https://bitcoinripcord.com

2026-10-24 03:24:22 GMT

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First, I would say you may have started with the wrong wallet for this. What wallet do your people run?
We built two wallets—Lightning in a Jar is the intermediate one that lets the owner move between lightning and onchain.
https://lightninginajar.xyz

2026-10-24 00:21:56 GMT

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“Accidentally”

2026-10-23 17:02:36 GMT

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The merge request gives me a 404–did you remove it? Happy to read what you had in mind.

2026-10-21 22:32:33 GMT

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Trying to zap you for that post but it’s not going through despite being able to zap others…

2026-10-21 07:05:16 GMT

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Thank you—I value your feedback.

2026-10-20 15:42:23 GMT

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New England… 😬

2026-10-20 14:40:22 GMT

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LiJ wallet: lightninginajar.xyz 
Wallet code: github.com/dav1dpgit/lightninginajar • github.com/dav1dpgit/LIJOX • github.com/dav1dpgit/lijox-lnd-adapter 

2026-10-20 07:28:42 GMT

@npub1v6q…nzyr we published a bitcoin onchain and lightning wallet that incorporates joinstr v2. Is there a place we could list it for people looking to find what apps incorporate the code?

2026-10-20 01:11:03 GMT

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Not Spark again….🙄

2026-10-19 05:47:05 GMT

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Good ole Lilly

2026-10-18 18:56:45 GMT

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Nice. Keep going 🤙🏻🧡

2026-10-17 22:15:16 GMT

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Trustless.
Costs are low and direct (vs. custodial).
Puts hair on your chest.

2026-10-17 21:29:04 GMT

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A biography?

2026-10-17 03:55:00 GMT

Having fun with the Lightning in a Jar wallet themes. Your money app should fit you, not the other way round.
🎶🎶
Try it: lightninginajar.xyz
https://video.nostr.build/3d73f1bee2573e6288b40f915947f6adde26c8fd74219e7855f8f21f18ab1b4c.mp4

2026-10-16 13:58:04 GMT

Lightning in a Jar is a bitcoin onchain and Lightning browser (Save to Home Screen) wallet. No app store, no account, MIT licensed.
Your 12 words are the wallet. Closed channels pay to a plain address any normal wallet can find, and Black start recovers everything with the words alone, even if your phone, your backup and your provider are all gone, saved across providers and nostr.
LSP providers are an open set any LND node can join, run the backup standard I call LIJOX.
I'm looking for LND operators to run LSPs, and for someone to review the LDK patch set. Other lightning setup compatibility coming soon after.
Try it: https://lightninginajar.xyz
Details: stacker.news/items/1596404/r/modulo
#bitcoin #lightning #nostr

2026-10-16 05:59:51 GMT

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Keep up the awesome work
https://video.nostr.build/7d6ed9c6efa432936baefc368983ec07388150932668f05c03d862fcd56d6a60.mp4

2026-10-13 07:52:48 GMT

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For real sovereignty
https://image.nostr.build/d87bc51206d3a4f79e4cb3eff737371bc248d670486ad1ed0c8cb4df77ffe3e3.jpg

2026-10-13 01:03:46 GMT

When your bitcoin private key never touches the internet, you never are in need of a security fix.
#modulo modulo.network
https://image.nostr.build/679093e86b9a12182b73917c1d4813a915303bb69de62c062fbd548d908dbc86.jpg

2026-10-10 16:52:09 GMT

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https://lightninginajar.xyz
A pure-lightning wallet we’re working on.

2026-10-09 14:38:53 GMT

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Couldn’t zap you but 🤙🏻

2026-10-09 14:33:47 GMT

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Keep up the good work

2026-10-09 00:48:00 GMT

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You were the first #nostr zap with a Lightning in a Jar wallet. Something to brag about someday!
https://image.nostr.build/10b3c7ec75d11647291fb853c0c87443d0a78b57c4087cfcbd565149ec355112.jpg

2026-10-08 06:24:57 GMT

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This aligns into what I’ve been working on.
I would like to DM you or contact you somehow because I have some questions about Joinstr-v2 and integration. Would you mind?

2026-10-06 15:30:04 GMT

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Can’t zap you!

2026-10-06 05:56:53 GMT

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We love the ad about ZapAdds!

2026-10-02 19:47:56 GMT

#nos tr
https://image.nostr.build/2676105a59570a691586e8a6e0ff8d22706f31aea77aec07b21681c12e874405.jpg

2026-09-30 21:29:43 GMT

Beautiful
#silentpayments
https://image.nostr.build/1d11f8f71c21a51b23586b7e9d30d5f2217beaf08d152a60c0eee6f7504fbad8.jpg

2026-09-29 19:52:56 GMT

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Dont spend it all in one place.

2026-09-29 19:33:23 GMT

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People have different demands on their attention, and energy is one that shouldn’t be, but is. Sound money, conversely, isn’t, but should be.
Wrote this last year on energy and the benefits of data center particularly bitcoin mining, page 22:
https://nwppa-bulletin.s3.us-west-2.amazonaws.com/2025/aug-25/index.html

2026-09-29 07:25:08 GMT

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Did it work?

2026-09-29 05:33:10 GMT

I want to zap someone to test a new connection—any willing receiver?

2026-09-29 03:58:31 GMT

How do you zap on nostr if you haven’t created a wallet in the nostr app?
A. Tap the zap, opens in your external lightning wallet, hit send there
B. Tap the zap, sends from your external wallet without you having to go to it and approve/click send again.

2026-09-29 00:35:33 GMT

One beauty of marginal-cost-per-UTXO is how it tracks against real-wold coins—the more coins you have or hand to a merchant, the more cumbersome (and costly) it is to intake for the merchant.
Think of the person that pays with pennies and nickels at the counter.

2026-09-28 04:31:13 GMT

Remind your loved ones how much you care.
#modulo modulo.network
https://image.nostr.build/f5b3ac571a1876b9e3429e2c8f4955279639991400200fb593f018797b1d635e.jpg

2026-09-20 22:49:02 GMT

@npub1g35…px62 given your interest in physical entropy if you haven’t seen this yet you might be interested.
https://njump.me/nevent1qqsp6fwqxfr8vs5suhq3rlgjs3r60usqg8s8pguxhxm47eqyfhqtcqqzyzupn4g044pqra0kg70esqxg5xe4hrma8trwrnzlw95xkcw32qnyzqcyqqqqqqgpp4mhxue69uhkummn9ekx7mqpz3mhxue69uhhyetvv9ujuerpd46hxtnfduawrn7g

2026-09-20 18:24:03 GMT

Multigenerational wealth needs multigenerational keys.
#modulo modulo.network
https://image.nostr.build/d2b77c3381359de8b74576c3b3e833b8e1b123cf1cbe93a20b4b7faaecb2fbc1.jpg

2026-09-16 14:40:47 GMT

From the universe’s furnaces liquid starlight melted, refined, rolled, and cut to make your unique bitcoin key.
Create your own key in stainless steel.
Starting at ₿117k sats (+10% for dirty fiat)
#modulo modulo.network
https://image.nostr.build/4979023e0f8d6acf0d3afd38d2024cf52e68a4edd6ae02d4e08228e9a1cfa713.jpg

2026-09-15 14:34:52 GMT

Seasons are changing.
Are you prepared?
#modulo modulo.network
https://image.nostr.build/10479451beef84786523e887174c6e3a023407c77bea4c6296c8115f5b7ac957.jpg

2026-09-12 22:02:39 GMT

In the battle for #privacy, matériel for the fight.
#modulo modulo.network
https://image.nostr.build/34a08795a47fddb4276a4d0e6d572d048c62fc95f8289ce4a59bcf0e99418fba.jpg

2026-09-11 21:53:55 GMT

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So to try to say it differently—safety before the exercise of capturing entropy is equal across all possible outcomes. Safety post-capture, as it relates to a value, has a range based on human structure.

2026-09-11 21:22:12 GMT

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I agree with you—entropy measures the process, it’s not the value. Safety is a separate question.
000…001 has the same probability as the number exactly in the middle of the 128-bit range. A solid entropy process costs an attack the same expected guesses.
Safety is about the attacker's time and effort, and I think that's your point —safety varies by value, entropy doesn't.

2026-09-11 19:52:34 GMT

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High entropy, makes it so all equivalent entropy outcomes have the same “safety.”
Amazing stuff.

2026-09-11 19:50:23 GMT

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It is interesting! And it makes one consider the other dimension applied to entropy: time.
Not to mention probabilities to applying order to entropy (understanding or knowledge).
What is really mind blowing is human’s use of entropy for security in cryptography, harnessing decay to our advantage. #bitcoin

2026-09-11 07:36:37 GMT

Time keepers — what time looks like.
#modulo https://modulo.network
https://image.nostr.build/b11c0b3fb64d872e471013fca09bdf22900f31917730d2d0c1ac299675bf9f10.jpg

2026-09-09 23:07:36 GMT

@npub1cn4…3vle
Looking to set up accepting bitcoin at a public electric utility in the US, website only, auto-flip into USD for same day deposit. Can Strike do that?
Asking for a friend.

2026-09-08 15:14:17 GMT

☕️🧡🥲
https://image.nostr.build/1b7aaaa355b8c57c07ac3818e7a8e301fb1d6d6a92f0f67bb022b0243708c2d0.jpg

2026-09-05 17:33:22 GMT

Strength in numbers.
#modulo https://modulo.network
https://image.nostr.build/79970403f306320d843aee2da81bf03f68eb5d97d73358804d65acac685efa92.jpg

2026-09-04 19:41:20 GMT

The thing you always knew you needed, but wasn’t sure what it was until you saw it.
#modulo modulo.network
https://video.nostr.build/e71db241b034f28a3c1caf47e8c2150a72c77b5e2b5b6c034ddc7594deab6480.mp4

2026-09-02 19:59:30 GMT

Entropy meets beauty
#modulo. modulo.network
https://video.nostr.build/f27327d74acf621288cdbce27603d7df302dea4b0f8e9aa579dea94ca8e1248e.mp4

2026-09-02 01:41:39 GMT

The perfect gift for a bitcoiner.
#modulo modulo.network
https://image.nostr.build/5a7963ec93ac768a6cd5da4a911a670cb4673f71747e214439bf6ce0fae0fb98.jpg

2026-09-01 01:09:07 GMT

12 words of power in a mini bitcoin key.
Generate yours offline. #modulo modulo.network
https://image.nostr.build/d87bc51206d3a4f79e4cb3eff737371bc248d670486ad1ed0c8cb4df77ffe3e3.jpg

2026-08-29 01:33:14 GMT

It’s time.
#modulo modulo.network
https://image.nostr.build/fce5a6e838ec5f18249f4473308616d446d0f8bd8e4cbd723fba634bf45ce2ad.jpg

2026-08-28 00:44:47 GMT

#modulo bitcoin keys—made to last.
(That they make a shockwave was completely unexpected.)
Find your key at modulo.network, starting at $89 (+10% for dirty fiat)
https://video.nostr.build/7d1ff68b13d51c51067fe3da4d2602b612a30600184dbf27e1d4e97e4c04ff3c.mp4
https://video.nostr.build/d7e203e9161e2e460f5fbd561431f5f11e69118f4c2c8df46504b0526f270f9d.mp4

2026-08-27 16:17:55 GMT

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How do we subscribe to this?

2026-08-26 05:37:30 GMT

When you work to protect your privacy, use the right tools for the job.
Bitcoin keys, made without tech, directly into stainless steel, by you.
#modulo modulo.network
https://image.nostr.build/50a77ba4d510bfba0bdab89491024350318a8f65eee9e82fda1de35cde5932aa.jpg

2026-08-25 07:30:17 GMT

Entropy works to your favour.
Bitcoin keys in stainless steel, no technology, at modulo.network
Starts at $89 (+10% for dirty fiat) #modulo
https://video.nostr.build/65cd80e4516f457674d0976b64873e0efc4357e71a79298984f8c64f4531a980.mp4

2026-08-25 01:21:17 GMT

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I get it. There’s only 16 when you have the first 7, but it’s poor UX.

2026-08-25 00:59:21 GMT

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With only 16 possibilities remaining as the 12th word, it might be ok to test all 16 and confirm only one works, but you are right—putting them in at that point means one needs to trust the device.

2026-08-25 00:56:37 GMT

They say people are forgotten two generations. Pass bitcoin on with the #modulo key and ensure your foresight is remembered.
Get your key at modulo.network starting at $89 (+10% for dirty fiat)
https://image.nostr.build/f5b3ac571a1876b9e3429e2c8f4955279639991400200fb593f018797b1d635e.jpg

2026-08-23 22:51:36 GMT

Start cold. Stay cold.
Make your keys without technology, in the first step.
Find yours at modulo.network. #modulo
https://image.nostr.build/d1e62b70cbd756690b46e80e380dc4a39ebfa012b7a700adbe9e31dff29781fd.jpg

2026-08-23 19:20:29 GMT

Make your key offline, test and retest. Practice key recovery and validate addresses you generate.
#modulo
https://image.nostr.build/89e831f5db9780b47e62538b5d9f096b1e5d59ef36a1c9ac2373432825db3369.jpg

2026-08-23 00:14:46 GMT

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A couple suggestions—
• Modulo spreadsheets (do it offline and clear the machine afterward). One spreadsheet calculates it for you, and another shows you alternatives given different 7-bit prefixes.
• Lightning in a Jar self-sovereign wallet download—go offline and enter the last 7 bits into the 12th word space.

2026-08-21 19:30:21 GMT

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Typically, the meter was on the outside at one time, so they build the bedroom around it.

2026-08-20 03:26:19 GMT

Another secure bitcoin key,
ready to go into the wild. #modulo
modulo.network
https://video.nostr.build/68895e7c385e83ee748ab8bf50d1719e3a8e0cb353e8f642d4a26e0c06606649.mp4

2026-08-16 18:23:46 GMT

There are keys,
and there are bitcoin keys.
Starting at $89 (+10% for dirty fiat) at modulo.network
https://image.nostr.build/7403a7fa700e707e58b1f2b84c62bfdf434a9724735d968d749e2fc2b834f7d8.jpg

2026-08-12 01:01:21 GMT

Rely on entropy, not technology.
Your modulo bitcoin private key.
Starting at $89 in BTC (+10% for dirty fiat)
Find us at modulo.network
#modulo
https://image.nostr.build/1ce53fe9b14773329bece97dd205ad30fe7ad0c8b1a007b8f1daef75f5afd39b.jpg

2026-08-09 00:08:19 GMT

Bitcoin keys.
Entropy generated without tech.
*not a computer generated image, either.
Starting at ₿138k sats (+10% for dirty fiat)
For the 128-bit key and case.
https://modulo.network
https://image.nostr.build/4a4721d2be2833715a51646e4e2bb473564653fab3e3f1a1a551474e7f73baf5.jpg

2026-08-08 15:28:37 GMT

A ~3mm (128-bit mini) or 4mm (256-bit) case with each bitcoin key.
Just in case.
https://modulo.network
https://video.nostr.build/55af11be6a0a34d4f02b4c05d2957092e78b996a9dfebb0ba344e1c539889f6f.mp4

2026-08-07 00:57:45 GMT

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Thanks for the great question. Modulo keys are made so you never need to audit a hidden process, which is why we made them. No chip, no algorithm, no firmware generated randomness for you — you are the entropy. Each stainless steel bit has two mechanically indistinguishable orientations, so every insertion you make is a fair coin flip, verifiable by direct inspection: hold the bits, measure them, examine the key, and confirm there is nothing about the hardware that favors one orientation over the other. Unlike a hardware RNG, there is no firmware standing between you and the entropy. The entire entropy process happens in the open.
If you want to verify the output yourself, run a few throwaway assemblies, record the bits, and examine them on an offline machine. The NIST SP 800-22 suite is really good and includes valid tests on sequences of 100+ bits — Frequency, Runs, Longest Run of Ones, Cumulative Sums, and Serial among others — even a single 128- or 256-bit output can be checked for bias, drift, and patterning. If you want to go the distance, concatenate several practice runs: thousands of bits characterizing your own insertion habits with genuine statistical power. What you’re testing at that point is if your generation method is random enough.
Once satisfied, disassemble and generate your production key fresh. It never touches the interweb, and no one but you has ever seen it.
Sorry for the length of the response but it’s a really important question.
Don’t trust. Verify. In metal.

2026-08-07 00:02:16 GMT

Organized security.
Make and store your bitcoin keys offline.
#modulo https://modulo.network
https://image.nostr.build/f963c5b5ac5b259fe6465a71122fb587517ad4d180edfd614e17c3c772d47622.jpg

2026-08-05 23:03:38 GMT

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It’s almost as if you are pitching for us…
https://modulo.network
https://image.nostr.build/1ce53fe9b14773329bece97dd205ad30fe7ad0c8b1a007b8f1daef75f5afd39b.jpg

2026-08-05 12:53:50 GMT

Quiet #privacy—and #security.
Make your keys offline.
https://image.nostr.build/7cffe3c3d432f16d8325bbf6b0210cd19c9008e2103219108d8926e50455d912.jpg
#nevent1q…szs5

2026-08-03 02:06:45 GMT

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Safest way by far is twelve words in your head, assuming no implants.

2026-08-03 01:14:16 GMT

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It’s not something you really want to take on vacation, but I’ve actually done it when delivering by hand overseas. Went through TSA just fine—in its case it’s just a black image on their scanner.
Bonus: Gave me a chance to orange-pill TSA agents, too. They really liked the key.

2026-08-02 23:55:37 GMT

Forge your bitcoin private key, directly into stainless steel.
#modulo https://modulo.network
https://video.nostr.build/1e517fc59f3fe75cd40e2114dc498d9416cea295f7cbcc3fb68d19bf90e7495f.mp4

2026-08-02 10:27:10 GMT

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What can I share with you? I try to spell it all out in the website, but happy to answer questions here.