keyrexofficial
Key-Rex

⚡️₿itcoin Lightning Authentication ⚡️
Privacy-first by design. 🔒
Powered by ₿itcoin.
Open source. Free forever.
Free for users & website integration.

Public Key

npub15u0avjgalkvtm7w5luq6swfyx6h033z7yt4se89vfuh464n3r4jsz4eqsv

Profile Code

nprofile1qqs2w87kfywlmx9al8207qdg8yjrdthcc30z96cvnjky7t6a2ec36egpzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqgdwaehxw309ahx7uewd3hkcu5x7mu

Publishing to

relay.primal.net

nos.lol

relay.damus.io

nostr.bitcoiner.social

bevo.nostr1.com

nostr.1sat.org

Author Public Key

npub15u0avjgalkvtm7w5luq6swfyx6h033z7yt4se89vfuh464n3r4jsz4eqsv

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Last Notes

2026-07-16 16:40:48 CEST

Every generation inherits assumptions.
Ours inherited that every website should own a piece of your identity.
A username.
A password.
An email.
A recovery process.
A database full of secrets.
We questioned money.
Now it’s time to question login.
Bitcoin proved that cryptographic ownership can work at a global scale.
Add the 2 lines of code and make it a reality 👉 keyrex.co
https://blossom.primal.net/4d3e57fc9797bbf8722833ea6b12c5ab268adcf6bed0d2a9cc9f42d9746ff082.jpg

2026-07-14 19:48:17 CEST

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Let’s orange pill them all 🧡

2026-07-14 19:34:59 CEST

Everyone knows passwords are broken.
So we keep adding more:
Password managers.
Email verification.
SMS codes.
Authenticator apps.
Passkeys.
But they’re all built on the same idea:
A username and a password.
Bitcoin showed us a better way.
Cryptographic proof replaces shared secrets.
Maybe it’s time to stop adding layers to a broken system—and start building without passwords. ⚡₿

2026-06-04 17:37:55 CEST

Stack
Cheap
Sats
:)

2026-06-04 17:37:44 CEST

So what if Bitcoins low?
Bitcoin is still empowering people, and building a more open financial future.

2026-06-02 21:04:47 CEST

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I love Nostr!!

2026-06-01 19:40:24 CEST

The
L
I
G
H
T
N
I
N
G
N
E
T
W
O
R
K
WINS ⚡️

2026-05-28 05:10:41 CEST

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Awesome can’t wait!

2026-05-28 05:09:23 CEST

Hands down wish every website/app was exactly like Nostr.
Let me use my Lightning wallet to sign-in 🙄🙄
Nostr knows where it’s at.

2026-05-28 05:08:04 CEST

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It’s freeing compared to other socials

2026-05-28 05:07:24 CEST

Choose sovereignty over anything else.

2026-05-27 02:42:53 CEST

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Wake up and stack.

2026-05-19 17:34:35 CEST

Choosing the paw means reallocating time to be well spent. Websites, start maximizing time today at http://keyrex.co
#bitcoin #lightningauth #keyrex #integrate https://blossom.primal.net/18977908b262d079100b58db4e62b8914e825302a78ff5a2e77ddf18cab7c5ef.jpg

2026-05-14 17:00:37 CEST

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https://blossom.primal.net/2c0f7fdedf59fcff2c3c7a0a25d7a0e29e6ba17bec100991f24fc6bf9f71993b.jpg

2026-05-14 17:00:00 CEST

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Notice how it’s requiring less sats overtime?
Crazy.

2026-05-05 04:12:01 CEST

Does anyone else love Bitcoin volatility??
It’s fun to watch the price go up and down.
What’s something that’s more predictable? Key-Rex Bitcoin Lightning Auth. The most secure, seamless, frictionless sign-in.
The same sign-in every 👏single👏time 👏.
DEVS HOP ON THIS NEW AUTHENTICATION!! 🫡🫡
#developers #authentication #lightningauth #bitcoin #bitcoindevs

2026-05-05 04:05:40 CEST

Introducing Key-Rex: Secure Authentication, Powered by Bitcoin Lightning ⚡️
Eliminate passwords and centralized tracking with Key-Rex — the privacy-first login solution.
• Instant, frictionless sign-in
• Fully open source
• Free for users and websites
• Integrate in just 2 lines of code
Take control of your digital identity with your Lightning wallet. No more credential fatigue. No more privacy trade-offs.
Ready to upgrade your login experience?
keyrex.co #bitcoin #lightningauth #bitcoin2026

2026-04-30 18:00:40 CEST

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That’s interesting. We need to get some zaps

2026-04-06 16:42:53 CEST

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Would you like signing in to websites using your Bitcoin Lightning Wallet?

2026-04-05 04:22:54 CEST

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Anything that truly takes time and energy to create.

2026-04-04 03:11:25 CEST

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Totally agree. Bitcoin Lightning auth gives sovereignty back to humans. Because that’s how it should be. Users holding their own keys. That’s exactly why we built Key-Rex, for websites to easily integrate and transition to a better sign-in mechanism for users. Websites no longer need to store user credentials.

2026-04-04 02:52:07 CEST

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Thanks Jeff, we appreciate you

2026-04-04 02:50:50 CEST

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That’s powerful.

2026-04-04 02:50:09 CEST

Just like the zipper quietly revolutionized clothing by making "secure + fast + personal" the default (and now we can't imagine life without it—seriously, try putting on button-fly jeans every day and report back), Bitcoin Lightning Auth is doing the same for digital identity. It takes something you already trust (your Lightning wallet) and turns it into the effortless, sovereign "zipper" for logging in everywhere.

2026-04-02 13:44:47 CEST

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Would you use Bitcoin Lightning Auth to sign in to websites?

2026-04-02 13:42:04 CEST

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Agreed. Would you use this?

2026-04-02 13:41:11 CEST

Every Lightning wallet already holds the keys to seamless, secure logins.
Key-Rex simply makes that power usable across the web—private by design, with zero credential storage.
For developers: clean integration.
For users: true self-custody at login.
Strengthen your site’s security the Bitcoin way. ⚡
#WebDev #BitcoinAuthentication

2026-04-01 03:15:37 CEST

Instead of user credential notifications leaked at 3am, your users just zap a Lightning invoice and they’re in.
No more “let me reset it real quick” support tickets.
The dev crowd is about to be in the Key-Rex t-shirts, chugging coffee, and coding it live.
Who’s integrating next? 👇
#Bitcoin #Lightning #KeyRex #NoMorePasswords #WebDev
https://blossom.primal.net/42fc4f02f3fb7f30ef16cdd2fa19506d088c2f24ed423e15ea4a14c9ecb46f39.jpg

2026-04-01 02:16:20 CEST

🚨 Quantum won’t break Bitcoin — and Lightning sign-ins are indestructible.
The real danger? Passwords.
Key-Rex Lightning auth is bulletproof:
✅ No passwords stored — nothing to hack
✅ Your Lightning wallet holds the keys
✅ Instant, private, decentralized
✅ Auto-upgrades with Bitcoin’s quantum resistance
Ditch passwords. Sign in with ⚡️ Lightning.
Websites integrate for free → keyrex.co
#Bitcoin #Lightning #KeyRex #QuantumProof #WebDev

2026-03-29 17:47:21 CEST

Happy Sunday! ☀️
Another beautiful day knowing we're enhancing the quality of life for web devs and for the average person just trying to sign in smoothly.
Keep building, keep improving. Let's make the web better together! 🚀
https://blossom.primal.net/b5725f0ef5efec38ccb6be9c314f7ccd938f8caaa5588d733d8a0d8e2c7a0306.gif

2026-03-29 17:40:02 CEST

They won’t give us Privacy.
They won’t give us Sovereignty.
They won’t give us Security.
So we fight for it.
We build it.
We own it.
#FightForWhatMatters #BitcoinLightning #bitcoin2026 #SecurityMatters

2026-03-28 21:11:45 CET

The time it takes to hack your Bitcoin keys….practically infinite ♾️♾️.
Give your users a way to sign-in securely without needing to worry about the length of their passwords.
😮‍💨Key-Rex Bitcoin Lightning Auth🫡

2026-03-25 15:28:26 CET

10 seconds.
All it takes signing in to any website with Key-Rex.

2026-03-25 15:27:55 CET

Think your login is secure? Well it’s not compared to BTC Lightning wallet via Key-Rex.🤣
It’s pure Bitcoin cryptography.
A supercomputer trying to hack your account?
It would need to make 1.1579 × 10^77 tries to brute-force your private key.
To put that in perspective:
- There are ~10^80 atoms in the observable universe.
- Even if every supercomputer on Earth worked together at maximum speed… It would still take billions of billions of years longer than the age of the universe to guess your key.
Your Lightning wallet login is literally uncrackable by any classical computer. Period. 😃
https://blossom.primal.net/469313b56e524a7352950bd920d2871a690b04a02dd5e0b242908e693deca040.jpg

2026-03-23 15:19:38 CET

Why developers will love us:
- Zero server-side secrets — users control their keys via Lightning wallet (no private key exposure to your app)
- Frictionless UX — one-click "Sign in with Key-Rex" → wallet prompt → done
- Privacy by design — no emails collected, no personal data stored
- Open source & free — both for end-users and site integrations
- Lightning-fast — sub-second verification using the Bitcoin network
Perfect for:
- Web3/Bitcoin-native apps
- Privacy-focused tools
- Forums, communities, membership sites
- Anything tired of traditional login pain

2026-03-23 15:17:31 CET

Tired of implementing yet another OAuth flow, storing passwords, or dealing with email verification?
Say hello to passwordless, privacy-first authentication powered by Bitcoin Lightning ⚡️₿
No usernames.
No stored credentials.
No data leaks.
Users sign in with their Lightning wallet in ~10 seconds. Every time.
Introducing Key-Rex — Lightning Authentication for the sovereign web.
keyrex.co
#Bitcoin #LightningNetwork #WebDev #Authentication

2026-03-23 00:26:31 CET

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Peak web design
https://blossom.primal.net/d42f19b8f2f10977c56ad0d17c71a1b6c1ff28a0b4013775ef22d23af6549696.png
#nevent1q…tn0s

2026-03-22 23:15:46 CET

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The way nobody is using this, YET…revolutionary.
This is me signing in to a website using my Zeus wallet. 🤯🤯🤯🤯🤯
https://blossom.primal.net/a91d0c03f6dece9fd1832cf5993e7e3a3ae0e7e88dcaa6baeb49a892b2048ad4.mov

2026-03-22 23:13:24 CET

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You would like signing in with your BTC Lightning wallet then. It’s even faster. 10 second sign-in, forever.

2026-03-19 17:03:38 CET

As a Bitcoiner, imagine signing in to websites with your Lightning wallet…a major upgrade right?
Passwords are centralized, breachable, forgotten, and slow.
Lightning auth fixes it—your private key (already your most guarded asset) becomes your sovereign ID.
One quick signature (~10s), no creds stored server-side, no emails leaked, no reset nonsense. Pure crypto proof, Bitcoin-level privacy.
Key-Rex does it right: free integration (2 lines of code, <5 min), open-source, privacy-first.
Users win sovereignty; sites win low breach risk. This is Bitcoin principles applied to identity. Less friction, more control.
Thoughts?

2026-03-19 17:03:10 CET

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Bitcoin allows opportunity and destroys the need for 3rd parties. The revolution has already began.

2026-03-19 15:56:52 CET

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It’s funny how people still say this. Bitcoin isn't "magic internet money"—that's the cute 2013 meme, but let's drop the fairy dust.
It's just sound money engineering.
- 21M hard cap enforced by code (verifiable on any node)
- Proof-of-work: real energy secures the ledger—no rewriting history without insane cost
- Private keys = true ownership, no middleman bail-ins
- Lightning = instant, cheap tx that actually works
The "magic" is what happens when math + incentives beat broken fiat. No spells required.
Want that same Bitcoin power signing in check out our account.
#nevent1q…xgx0

2026-03-19 15:47:57 CET

Quick thought:
Your private keys are like the real key to your house—the most powerful thing you own digitally. You guard it, it’s yours forever.
But we still treat logins like those cheap paper hotel key cards:
- New one every time you “stay”
- Hand it over without thinking
- Easy to lose, copy, or reuse
- No real control or ownership
Lightning auth changes that.
One cryptographic signature = instant proof it’s you.
Private, secure, and truly yours.
The old password system feels ancient now. Time to upgrade. #Bitcoin #LightningNetwork
https://blossom.primal.net/ea7e5d65a9c176c1b29f839c2a7cb23d1387ece0de391584b36dcff6bf2e9a41.jpg

2026-03-18 01:19:30 CET

For decades, we've been trapped in the fiat mindset—accepting that things "just have to be this way."
Bitcoin proved they don't.
More people are finally asking: "Does handing our digital identity to governments and corporations really make sense?"
They want your name, email, phone—traceable forever.
What stays truly yours? Your Bitcoin Lightning wallet.
That's why we built Key-Rex: a decentralized, privacy-first way to sign in.
No passwords. No credentials collected. No traceable links back to you.
Just cryptographic proof from your wallet—secure, instant, and sovereign.
Own your login.
⚡️ #Bitcoin #LightningNetwork

2026-03-17 02:15:55 CET

Hey devs and site owners — if you're still dealing with password headaches, data breaches, or endless "forgot password" loops, you gotta check out our company.
It's this super clean way for people to log in using their Bitcoin Lightning wallet — no passwords, no emails collected, nothing stored on your end that hackers could steal. Users just sign in with one click (seriously, Lightning fast), you get cryptographic proof instead of risky credentials, and boom — zero breach liability and no more credential stuffing attacks.
It's fully open-source, totally free (no fees, no limits, unlimited domains/sign-ins), and actually gives users real control over their auth. Perfect if you want tighter security, way less friction for visitors, and to plug into the growing Bitcoin world without the usual login BS.
Takes like two lines of code to add — go integrate it: keyrex.co
Worth it.
#Bitcoin #LightningNetwork #Passwordless #KeyRex

2026-03-15 19:37:47 CET

Traditional logins slower than a sloth?🦥
Key-Rex zaps you in instantly with Lightning speed—because who has time for loading bars in 2026?
Upgrade your flow! ⚡️ Join the revolution: keyrex.co
#KeyRex #FastAuth #Bitcoin #Decentralized

2026-03-14 22:42:38 CET

We built Key-Rex to grow the Bitcoin Lightning Network: delivering privacy-first, passwordless authentication powered by Bitcoin—enabling instant, secure, uncensorable logins for users and sites. Zero stored credentials, open-source, free integration. Strengthen sovereignty and adoption. ⚡️ #Bitcoin #LightningNetwork #KeyRex

2026-03-14 00:18:53 CET

WEBSITES, creating an account with Key-Rex and integrating, allows you have access to the number of users who choose to sign-in with us.
In the numbers, you will find that your users will thank you for integrating.
Get started now- keyrex.co
https://blossom.primal.net/67c079bc55e84b06d8deae8c288ccdcffabb76a4bf627d6eba909f029ac2085a.png

2026-03-14 00:18:05 CET

In the Bitcoin world, we HODL sats while maintaining user privacy. Key-Rex delivers elite Lightning authentication that locks down privacy while unlocking network potential—open-source, free, and user-owned. No data to leak. 👏
Dive in: keyrex.co
#KeyRex #HODLPrivacy #BitcoinAuth #OpenSource

2026-03-12 21:26:08 CET

As a software developer are you tired of building websites and taking on the massive liability of storing credentials?
I found a solution.
Key-Rex powers passwordless Bitcoin Lightning sign-ins for your site:
- Zero passwords or usernames stored🔒
- Instant sign-ins via your Lightning wallet
- Open source, FREE for users & integrations
- Built on Bitcoin 🛡️
- Add in just 2 lines of code for FREE
Find our website at keyrex.co

2026-03-12 21:11:38 CET

🚨🚨Sign-in with Key-Rex. It takes 10 seconds, every👏 single 👏time 👏.
With Bitcoin Lightning Auth, your sign-in flow is the same for every website (depending on the wallet you choose).
Users can’t adopt this method till websites integrate, and make it accessible for them.
#BitcoinLightningAuth #BTC #DecentralizeSignIns #Web3 #IntegrateKeyRex #WebsiteEnhancing

2026-03-08 03:25:16 CET

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Absolutely, any website can integrate. Doesn’t matter how small!
Legit all you have to do it sign-up/create an account, enter your domain, get your integration code, and then add one more line of code.
All of this can be found in our website under integration steps.
The flow here is insane. Takes 10 minutes or less to integrate. Steps are clearly outlined for beginners.
#nevent1q…napc

2026-03-08 02:52:52 CET

Decentralize sign-ins by integrating with Key-Rex.
Bitcoin Lightning Auth > Passwords.
https://blossom.primal.net/0bcb81bbdd48a26a74c1963d451338b2be11b1bdbee4b8ee2bf33bf00d2f5195.jpg

2026-03-08 02:51:01 CET

The most stressful thing about having a website:
-Protecting user privacy
-Anxiety hoping data breaches do not occur
Disregard those problems entirely by allowing users to sign-in with Key-Rex. Websites, users know protect the data themselves. Integrate in 5 minutes at keyrex.co
The future of a secure online presence starts by preventing data breaches.

2026-03-08 02:50:09 CET

Website owners: start using Key-Rex and integrate today for FREE!!!! Allow your users to obtain privacy when they sign-in using their Bitcoin Lightning wallet. GET STARTED @ keyrex.co
Stop trying to protect your users privacy. Users protect their own privacy. Decentralize sign-ins today.

2026-03-04 21:41:10 CET

Your users already carry the best auth device ever built: their Bitcoin wallet.
Key-Rex just plugs it in.
Open-source. Free. 5-minute drop-in.
Devs ready to upgrade auth in 2026?
keyrex.co #BitcoinLogin

2026-03-02 02:57:54 CET

🚨LAUNCH ALERT: KEY-REX IS LIVE MARCH 1ST, 2026! ⚡️🔑
Tired of password hacks & data leaks? Say goodbye forever!
Key-Rex powers passwordless Bitcoin Lightning logins for your site:
- Zero passwords or usernames🔒
- Instant sign-ins via your Lightning wallet 📱
- Open source, FREE for users & integrations 💻
- Built on Bitcoin 🛡️
- Add in just 2 lines of code!
Privacy-first auth that accelerates Bitcoin adoption. Just seamless, sovereign access.
Website linked in bio.
Who's hyped?!
#KeyRexLaunch #Bitcoin #LightningNetwork #Passwordless #PrivacyFirst
https://blossom.primal.net/79338b90c4973505f8f00f9b31c8587730f353ded06664ee9b3987225ab55a86.jpg

2026-03-01 00:11:34 CET

🚨 Tired of being trapped in the chaotic traffic jam of logins, data mining, phishing, and identity theft?
You’re not alone.
But what if you could hit the open road — no more stress, no more scams, just smooth, secure sailing straight ahead?
That’s exactly what Key-Rex delivers.
In the traffic jam of life, let Key-Rex show you the open road! 🦖🔑
Who’s switching lanes?
#KeyRex #CyberSecurity #PasskeyRevolution #NoMorePasswords DigitalFreedom
https://blossom.primal.net/1a2502804a7df3aefc6e507c72dd6c1d6e0d0e0c69c95e34e88c98855c002541.jpg

2026-02-25 16:36:29 CET

Your sign-in is the front door to your digital life—stop handing strangers the master key and start using methods that let you keep full control. 🔒
Launching in a few days:
keyrex.co
#btc #launchparty #BitcoinLightningAuth
#KeyRexLaunch
https://blossom.primal.net/cfd47b8f3785d847ebef5b12bff66afefb4ca7c747cfbb1bf18ebad7cad49894.jpg

2026-02-24 13:35:18 CET

Generate strong password?
Yes/No"
Key Rex: Generate strong identity?
Already did, it's your Bitcoin key. Scan & go." 💪⚡
Why remember when you can own?
Decentralized auth the Bitcoin way.   Join the revolution: [keyrex.co]
#BitcoinOnly #KeyRex #KeyRexSignIn #PrivacyFirst

2026-02-23 14:03:54 CET

OAuth vs. Key-Rex:
They complicate code, we simplify to 2 lines.
They compromise privacy, we enhance it with Lightning.
Choose the auth that aligns with Bitcoin ethos. Upgrade incoming. ⚡️
keyrex.co #KeyRex

2026-02-23 02:14:13 CET

Signing in can actually make you happy ⚡️
Ditch the endless password resets and creepy data collection.
With Lightning Authentication, your wallet becomes your key—fast, private, and password-free.
Who’s ready to level up their logins?
Drop ⚡ if you’re in!
#LightningAuth #BitcoinRevolution #SecureSignIn
https://blossom.primal.net/8eea201df58d3dca49f6537823e4a25bdbefe8a208012fce7bd008ebeb9d4bb4.png

2026-02-21 17:53:37 CET

Bitcoiners don’t type passwords.
They flash the paw.
Sign in with Key-Rex.
#KeyRexSignIn #LightningAuth #btc
https://blossom.primal.net/90efa998acf206098d703354122c4af989696a0c5941d3ce34da18a3e432ce31.png

2026-02-21 02:03:56 CET

What else could a website ask for that’s looking to secure their users privacy? #Privacy #NoPasswords #Nousernames #LightningAuthentication
https://blossom.primal.net/82339c8d582c971c63c96a28bc073849babcc15367348786212b6f0b1f7f4b48.jpg

2026-02-21 01:44:13 CET

Reject fiat logins.
Key-Rex is built exclusively on Bitcoin's Lightning Network—fast, private, and uncensorable.

2026-02-21 01:40:12 CET

Stop forcing your visitors to hand over their identity.
COMING SOON PAGE⚡️ - keyrex.co

2026-02-20 02:26:15 CET

Tired of Big Tech selling your data via email/Google logins? Every centralized sign-in leaks your privacy.
Introducing Key-Rex: A pure Bitcoin Lightning authentication.
No tracking, no emails, no passwords.
Connect your wallet → sign cryptographically → sovereign sign-in.
It’s that simple.
#BTC #KeyRex #LightningNetwork