Active Matrix Rooms

Active Cryptography Matrix Rooms

Find 254 active cryptography Matrix rooms and spaces. Matrix room search list — sorted by real-time message velocity. Updated live. We only count messages to measure activity — message content is never read, stored, or indexed.

254 active rooms · sorted by message count · updated live · content never stored

#1

Furry Tech v12

Welcome to Furry Tech! This channel is mainly tech/CS related, but almost all topics are allowed! We welcome everyone, but please keep in mind that this is a furry themed channel, so be prepared for t

17 msg/hr 620 members mozilla.org
#2

Firo

Firo, a privacy focused cryptocurrency that uses Lelantus ZKP. We are much more active on Telegram https://t.me/firoorg or Discord https://discord.com/invite/TGZPRbRT3Y

16 msg/hr 2,059 members firo.org
#3

Ukraine News

Ukraine will win! --- Main charity - https://u24.gov.ua/ --- https://play.google.com/store/apps/details?id=ua.gov.u24app --- alternative charity list https://www.reddit.com/r/ukraine/wiki/ch

12 msg/hr 24 members matrix.org
#4

TheHolyRoger

Welcome to Rogerland - Home of The Holy Roger Coin, The Schrödinger's Cat of Cryptocurrency. | https://theholyroger.com | 1 ROGER ^= 1 BCH? | DON'T GET SCAMMED! | Roger Radio - 24/7 https://radio.t

0.94 msg/hr 32 members halogen.city
#5

Le Alternative | Chat generale 🥸

Chat generale di Matrix di LeAlternative.net È possibile parlare di argomenti generali, qualche OT è permesso soprattutto se in ambito informatico. Chat dedicata a Linux: https://matrix.to/#/%23fedi

0.08 msg/hr 1,113 members tchncs.de
#6

Thunderbird Desktop Developers

DESKTOP coders here; ANDROID/iOS at #tb-mobile-dev:mozilla.org || DESKTOP support at #thunderbird:mozilla.org or #openpgp:mozilla.org and PLEASE READ: https://mzl.la/34eAVbB || https://paste.mozilla.o

0.08 msg/hr 1,131 members mozilla.org
#7

Off-topic messaging for FOSS-minded geeks

matrix.org/legal/code-of-conduct Friendly lounge for random chit-chat of like-minded technical people. Shared background of most members here: #Delta.Chat:matrix.org #efy_webdev:matrix.org #friendi.ca

0.06 msg/hr 439 members grin.hu
#8

Signal Messenger (2026)

matrix.org/legal/code-of-conduct (!modhelp to ping mods) Discussions related to Signal Foundation and Signal Private Instant Messenger. Post off-topic in #signal-offtopic:matrix.org - Proxies https:/

0.06 msg/hr 2,232 members tchncs.de
#9

#sequoia

Sequoia-PGP: Modern OpenPGP in pure Rust. https://sequoia-pgp.org

0.05 msg/hr 116 members matrix.org
#10

Hack Liberty Community

We are a group of cypherpunks, privacy advocates, engineers, and philosophers dedicated to the pursuit of truth, liberty, and knowledge for all. We believe technology is a tool for liberation, not ens

0 msg/hr 26,108 members envs.net
#11

Anonymity Privacy and Security

This is where we discuss ways to protect your online identity and maintain privacy. Share experiences, learn strategies, and explore latest developments in online security. Join us and let's work towa

0 msg/hr 25,595 members envs.net
#12

Hidden Knowledge

This is a sanctuary for those seeking to unravel the extraordinary. Dive deep into the abyss of hidden knowledge and engage in thought-provoking conversations, explore alternative perspectives, and ch

0 msg/hr 25,235 members envs.net
#13

Cypherpunk Cryptopia

Welcome to the Cypherpunk Cryptopia, where privacy, security, and freedom take center stage. Join us as we discuss cryptography, decentralization, and online anonymity, working towards reshaping the d

0 msg/hr 23,699 members tchncs.de
#14

Radios and Wireless Hacking

Step into a world of frequencies and signals where experts and enthusiasts meet. Explore the intricate art of hacking wireless systems, discover new techniques, and share your knowledge with like-mind

0 msg/hr 22,582 members tchncs.de
#15

RSS - Hack Liberty News

Feed List: https://paste.hackliberty.org/?99738ed5ca137027#4gipqVGWpsjPKUVhUV28txtwEmksb9neUsztNK3LxA6a | Topics: agorism, agorist, agorist philosophy, alternative currencies, anarchism, anarcho-capit

0 msg/hr 22,559 members tchncs.de
#16

Italian Crypto Club

La più grande community Telegram (e non) italiana sulle criptovalute.

0 msg/hr 9,801 members matrix.org
#17

Monero Mining

The group is dedicated to people starting to mine Monero. Information regarding GPU rigs, CPU rigs and all kinds of pools and setups. If your a beginner and want information or a seasoned miner feel f

0 msg/hr 8,437 members matrix.org
#18

Thunderbird Community Desktop Support

Give and Get Help. Android help@ #tb-android:mozilla.org. Encryption/Calendar@ #openpgp:mozilla.org / #calendar:mozilla.org ^^ YOU DIDN'T GET AN ANSWER?? post at https://support.mozilla.org/product

0 msg/hr 4,298 members mozilla.org
#20

[email protected]

Themenschwerpunkte in diesem öffentlichen Chat (=Konferenz/Chatraum/Gruppe) sind "freie Messenger". Konstruktive Anregungen, gefundene Fehler, Ideen oder Hinweise für Verbesserungen zum Inhalt der Sei

0 msg/hr 2,769 members matrix.org
#21

RSS - Dark Web News

Stay up to date with the latest Dark Web news through our fast polling RSS feed, delivering real-time updates on illicit activities, emerging cyber threats, and technological advancements within the h

0 msg/hr 2,523 members tchncs.de
#22

Crypto News

All things Crypto, DAO's, airdrops, staking, yield farming, NFT's, and artificial intelligence.

0 msg/hr 2,366 members minds.com
#23

PricelessCrypto

This is a room about all things cryptocurrency related, except for the price. We believe that the current atmosphere of the cryptocurrency world has been poisoned by speculation, and it is drowning

0 msg/hr 2,191 members matrix.org
#24

Secure Messaging Apps

Discussion on secure messaging apps like: Signal, Wire, Telegram, Threema, Wickr etc. ... Security related.

0 msg/hr 1,648 members matrix.org
#25

Perth Cryptocurrency

Cryptocurrency users, traders and miners in Perth. - Checkout out our #perth:matrix.org space for other Perth related rooms. - Rules: #perth-space-coc:matrix.org

0 msg/hr 1,510 members perthchat.org
#28

Hitchwiki

Please don't deactivate the auto-delete.Next Hitchgathering 1.-14. August 2025 in LithuaniaUseful Wiki-Links: https://cryptpad.fr/pad/#/2/pad/edit/mRWIk1fmFhbjlMP9xcnJRzGa/There's a Signal-Matrix brid

0 msg/hr 1,058 members chagai.website
#29

Gadgetbridge chat

https://codeberg.org/Freeyourgadget/Gadgetbridge End to end encryption in this room provides freedom to discuss, peace of mind and plausible deniability to everybody in the channel. Please consult o

0 msg/hr 1,003 members matrix.org
#30

Crypto Server

Discussions related to operating a cryptocurrency daemon (server) such as Hive, Steem, Bitcoin, Monero, ZCoin etc.

0 msg/hr 927 members privex.io
#31

[email protected]

Themenschwerpunkte in diesem öffentlichen Chatraum (=Gruppe/Konferenz) sind *unfreie Messenger* (proprietäre Insellösungen). Insbesondere WhatsApp, Signal, Threema, Telegram, ... Warum dieser Chatraum

0 msg/hr 892 members matrix.org
#34

#xkcd-signal

Please read the FAQ (http://goo.gl/2mmBb). Hiding join/part messages suggested (http://goo.gl/mss8R). If you talk about bans from #xkcd, mute-bait or troll the topic, you will be eaten by a Krusty Bra

0 msg/hr 774 members matrix.org
#36

Bitcoin + Alts Discussion

A place to discuss the various aspects of Bitcoin and various Crypto Currencies. Nothing in this room should be considered financial or investment advice

0 msg/hr 692 members jupiterbroadcasting.com
#37

cryptocurrency

room about cryptocurrency investments trading digital currency bitcoin etherium litecoin dogecoin monero exchanges binance kucoin okex coinbase tradeogre crypto mining cpu gpu asics

0 msg/hr 690 members matrix.org
#38

Balfolk Schweiz Suisse Svizzera Svizra 🐿

Zugangslinks: Matrix https://matrix.to/#/#balfolk-ch:tchncs.de Whatsapp https://chat.whatsapp.com/CxghIjKPyE1Fsj5doGZKyq Signal https://signal.group/#CjQKILFDK8XtOice1gesTFUEy7lvu9lbjwKJaNaz6Y4-u0mkEh

0 msg/hr 604 members tchncs.de
#39

Bitcoin

Bitcoin Vs Crypto, excluding trading, scams, forex, whatsapp, telegram etc scams.

0 msg/hr 566 members minds.com
#40

Ethereum

Ethereum vs Crypto

0 msg/hr 563 members minds.com
#41

HelloZeroNet/ZeroNet

ZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network

0 msg/hr 563 members gitter.im
#42

DeepOnion

Anonymous Cryptocurrency, Private Payments and Transactions. [ONION] [https://deeponion.org/]

0 msg/hr 552 members matrix.org
#43

SDR (Software Defined Radio)

RTL-SDR, Amateur, Digital Signal Processing, programming, embedded systems, hardware, circuit, raspberryPi, and much more...

0 msg/hr 539 members matrix.org
#44

doipver

Decentralized OpenPGP Identity Proof Verification

0 msg/hr 536 members matrix.org
#45

Blacknet Staking & Leasing

Blacknet is zero-knowledge cryptocurrency platform with proof of stake consensus. https://blacknet.ninja

0 msg/hr 526 members matrix.org
#47

[email protected]

*Matrix* ... ... alles rund um das freie Chatsystem: Themenschwerpunkte in diesem öffentlichen Chat sind in erster Linie *Matrix-Messenger*. Insbesondere *Element* (vormals "Riot") sowie Fluffy Chat,

0 msg/hr 472 members matrix.org
#48

CoinsLoot Official Matrix Room

We've Created the World's First Crypto Loot Boxes. Investors can stake their tokens to profit from the smart contract. The most innovative way to invest in crypto is now a game! https://coinsloot.com

0 msg/hr 447 members matrix.org
#49

Investing/Casual Chat

NO SOLICITING, FAQ/RULES: [place to talk about stocks, crypto, SPACS, penny stocks, funds, real estate etc Matrix noobs guide: https://tatsumoto-ren.github.io/blog/list-of-matrix-servers.html

0 msg/hr 436 members nerdsin.space
#50

ethereum/pyethereum

Next generation cryptocurrency network

0 msg/hr 431 members gitter.im
#51

SigMF

User and Developer discussion of the Signal Metadata Format https://github.com/gnuradio/SigMF -- Monthly Call: https://umd.zoom.us/j/8124496813?pwd=OHBHaFdBS0lYQmZ0Q00zbnVUb0FGZz09

0 msg/hr 417 members gnuradio.org
#52

Keyoxide - General discussion

All stuff Keyoxide, cryptography and identity | https://keyoxide.org Keyoxide space on matrix: https://matrix.to/#/#keyoxide-space:matrix.org Testing ASP announcement: https://matrix.to/#/!dEfJkFpQp

0 msg/hr 386 members matrix.org
#53

Science of Matrix Reading Group

Exchange of and on scientific papers, books and related resources on all things Matrix. See room pin and https://github.com/jryans/awesome-matrix#research for the current paper list. Topics range from

0 msg/hr 380 members dsn.tm.kit.edu
#54

Disrupt now!

Ticker für Aktionen mit Bezug zu Lützerath im Herbst 2022. Alle Infos hier: luetzerathlebt.info/ticker Kontaktiert uns gerne, falls ihr Informationen zu Polizeibewegungen, zu Soli-Aktionen oder Anzei

0 msg/hr 325 members matrix.org
#55

Modern Cryptography

Part of the #p-s-a:matrix.org community. Talk about modern cryptographic systems, protocols, implementations, and libraries. Discuss attacks on weak cryptosystems and improper implementations. We're n

0 msg/hr 311 members tchncs.de
#57

Crypto Circular Economies

Join us in exploring innovative ways to promote sustainable economic models through cryptocurrencies, fostering circular economies that empower communities and individuals by facilitating trade outsid

0 msg/hr 270 members tchncs.de
#58

RSS - Security News

Feed List: https://paste.hackliberty.org/?c97a2f6df032278a#4FVsQDRXqgWiFzZJzWLdpKna1ZEktREWiqjHsNhacBYd | Topics: access control news, application security news, biometric security news, bug bounty n

0 msg/hr 260 members envs.net
#59

RSS - Cypherpunk News

RSS Feeds: https://paste.hackliberty.org/?ad5e355fcf2dfb05#GQAdjeruHKvmDDhnwj5Z8gNtBfmjBVA8wkWDfYgDLpUh | Topics: agorism, agorist, agorist philosophy, alternative currencies, anarchism, anarcho-capit

0 msg/hr 253 members envs.net
#61

Alsace Entraide Numérique

Matrix : https://chat.sans-nuage.fr/#/room/#alsace-entraide-numerique:sans-nuage.fr Signal : https://signal.group/#CjQKIHBnMlCn9SSXYtu9n7_e_aiNztqYUAvcH5_Vl6OzTlzUEhCcw2USv8MENBAyA7Rg1C1- Whatsapp : h

0 msg/hr 243 members sans-nuage.fr
#62

OpenPGP with Thunderbird

OpenPGP in Thunderbird - HOWTO and FAQ: https://support.mozilla.org/en-US/kb/openpgp-thunderbird-howto-and-faq Encryption mailing list (with archive of past Q&A): https://thunderbird.topicbox.com/g

0 msg/hr 237 members mozilla.org
#64

RSS - Monero News

Feeds: https://paste.hackliberty.org/?6ec7a30a4a1d209a#8woDt57n9Vg8DK1k3ZTj4pAdfEUjS9Pj7t4RcnxRcpjX | Topics: anonymous transactions, blockchain, confidential transactions, crypto, cryptocurrency, dec

0 msg/hr 205 members tchncs.de
#65

RSS - Libertarian News

Feed List: https://paste.hackliberty.org/?8a5dd3b9bf9e27d6#ApTVtpKaMpj2SeRYarapXfBRUZ4j831rvWEJhijEHMi7 | Topics: agorism, alternative, alternative energy, anarchism, animal rights, anti-establishment

0 msg/hr 178 members tchncs.de
#66

NSS

Development of NSS and NSPR . https://wiki.mozilla.org/NSS:Release_Versions http://nss-crypto.org, https://treeherder.mozilla.org/#/jobs?repo=nss

0 msg/hr 168 members mozilla.org
#67

michaelgrosner/tribeca

A very low latency cryptocurrency market making trading bot built using node.js

0 msg/hr 160 members gitter.im
#68

Bitcoin Cash

Bitcoin Cash [BCH] cryptocurrency discussions

0 msg/hr 158 members matrix.org
#69

RSS - Matrix News

Feed List: https://paste.hackliberty.org/?848f6a30913d5675#TmTZsuq7uPfKVbnVgKYdLgZu6Fi5aLyRG5mioxHrUi1 | Topics: android chat client, bridged communication, chat federation, community-owned platform,

0 msg/hr 146 members envs.net
#70

CryptoCurrency

Bitcoin and Altcoins

0 msg/hr 142 members librem.one
#71

tchncs :: bridges

This room is for technical serverspecific issues. For software support and guidance, please refer to the project rooms instead: [ #telegram:maunium.net | #whatsapp:maunium.net | #signal:maunium.net ]

0 msg/hr 142 members tchncs.de
#72

Trussed

trussed.dev | Modern Cryptographic Firmware

0 msg/hr 139 members matrix.org
#73

Remote Rhein Ruhr Stage

r3s - Monheim/Rhein @ 30.12. 16:30 | Signal: sichel | (de) R3S Closing [501] https://fahrplan.events.ccc.de/rc3/2021/Fahrplan/#511269e9-a0a8-5a1d-b236-b166cb6d5543 | Stream: https://streaming.media.cc

0 msg/hr 136 members hackint.org
#75

P2P-messengers

ethercalc.net/26dkq8nf9vk0 Attempting to define P2P messengers - separated lane from #secuchart:matrix.org to discuss networking protocols, serialization, bootstrap, deduplication, availability, trave

0 msg/hr 126 members mxchat.cz
#76

Instant Messengers

General talk about instant messengers. Feel free to talk about anything related to instant messengers. FB Messenger, KakaoTalk, Kik Messenger, LINE, MS Teams, Mattermost, Rocket.chat, Signal, Slack, T

0 msg/hr 120 members matrix.org
#77

Chaos-West TV

Chaos-West TV @ 30.12. 19:00 | Signal: revolverheld | (de) Closing [905] https://fahrplan.events.ccc.de/rc3/2021/Fahrplan/#b25fac1a-e220-5f1a-9679-fc6b7680bccc | Stream: https://streaming.media.ccc.de

0 msg/hr 117 members hackint.org
#78

xHain

Lichtung @ 30.12. 22:00 | Signal: fossdd | (en) Maskenball [390] https://fahrplan.events.ccc.de/rc3/2021/Fahrplan/#d88bd8ee-89aa-50d8-b4e7-70ba2293825b | Stream: https://streaming.media.ccc.de/rc3/Lic

0 msg/hr 116 members hackint.org
#79

Cardano

Cardano & Crypto

0 msg/hr 114 members minds.com
#80

gmankachat

matrix.org сосать SIGNAL: https://signal.group/#CjQKIIF1LVFnP-V040MQg0_lS3ahkXQRapwoKBUwW-t7KwTOEhAJidDSqImAdroT_SeBsjHX MATRIX: https://matrix.to/#/#gmankachat:nope.chat XMPP: https://conversations

0 msg/hr 113 members nope.chat
#81

franconian.net

franconian.net @ 30.12. 16:00 | Signal: tobo | (de) 10 Jahre Backspace [18] https://fahrplan.events.ccc.de/rc3/2021/Fahrplan/#e3630103-173b-51b6-8e83-09675ea9ff86 | Stream: https://streaming.media.ccc

0 msg/hr 110 members hackint.org
#83

file-sharing

Room for sharing files Encryption is enabled and optional. File size limit is 50GB.

0 msg/hr 102 members poa.st
#84

TRUST FINANCE TRADE

Trust Finance Trade We, have established ourselves as a leading brand in the Cryptocurrency mining, trading and investment. Being the current market leader, we feel this the best time to indulge in ne

0 msg/hr 102 members matrix.org
#85

Crypto Canada

Cryptocurrency room for Canadians! Or people who at least have an interest in Canada. Space of other rooms we're involved with: https://matrix.to/#/#spiders-rooms:matrix.org Forum: https://lemmy.ca

0 msg/hr 101 members matrix.org
#87

Messenger [Space] 🇩🇪

Diskussion & Neuigkeiten über alle gängigen #Messenger, in #deutsch. Messenger Übersichtsmatrix von Kuketz-Blog: https://www.messenger-matrix.de/ (Gibt es auf Deutsch und Engl

0 msg/hr 92 members matrix.sp-codes.de
#88

Telepathy

There are voices that appear out of thin air. I can hear the voices too. People have the ability to communicate through telepathy. The thoughts and signals in one person's brain have effects on the th

0 msg/hr 87 members tchncs.de
#89

Bookmark Guru

Navigate the Crypto World with Wisdom 💡 https://crypto.bookmark.guru is a curated link directory with thousands of crypto websites and projects across more than 150 categories. #crypto #links

0 msg/hr 82 members matrix.org
#90

Messenger 🧑‍💻🇩🇪

Willkommen im deutschsprachigen Messenger-Raum! 🖖🏻 Hier geht es um die verschiedenen Messenger die auf dem Markt sind. Infos, Tipps und Tricks, können hier gepostet werden natürlich aber auch Fragen

0 msg/hr 80 members matrix.sp-codes.de
#91

Laverna/laverna

Laverna is a JavaScript note taking application with Markdown editor and encryption support. Consider it like open source alternative to Evernote.

0 msg/hr 77 members gitter.im

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