Active Matrix Rooms

Active Cryptography Matrix Rooms

Find 273 active cryptography Matrix rooms and spaces, sorted by real-time message velocity. Stop joining dead rooms — updated live. We only count messages to measure activity — message content is never read, stored, or indexed.

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

#1

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

16 msg/hr 30 members halogen.city
#2

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

2.9 msg/hr 7,865 members matrix.org
#3

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

2.0 msg/hr 494 members mozilla.org
#4

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

1.5 msg/hr 372 members grin.hu
#5

#sequoia

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

1.2 msg/hr 119 members matrix.org
#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

0.83 msg/hr 1,055 members mozilla.org
#7

Blacknet Staking & Leasing

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

0.17 msg/hr 527 members matrix.org
#8

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

0.08 msg/hr 1,854 members firo.org
#9

Mautrix-Signal Bridge

Discussion about mautrix-signal | Latest release: v26.04 | https://github.com/mautrix/signal

0.07 msg/hr 276 members matrixrooms.info
#11

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 26,111 members envs.net
#12

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 25,596 members envs.net
#13

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 25,229 members envs.net
#14

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 23,706 members tchncs.de
#15

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 22,577 members tchncs.de
#16

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 22,555 members tchncs.de
#17

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

0 msg/hr 13,053 members matrix.org
#18

AffRip

AffRip room, topics: affiliate marketing, hacking, crypto, technology, programming, operating systems, memes and more join us on our great community! tech, hack, hacking, cyber, ghidra, ransom, pirac

0 msg/hr 11,545 members midov.pl
#19

Italian Crypto Club

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

0 msg/hr 9,800 members matrix.org
#21

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 4,172 members mozilla.org
#23

[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 2,770 members matrix.org
#24

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 2,550 members tchncs.de
#25

Crypto News

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

0 msg/hr 2,366 members minds.com
#27

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 2,198 members matrix.org
#28

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 msg/hr 2,163 members tchncs.de
#31

Secure Messaging Apps

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

0 msg/hr 1,654 members matrix.org
#32

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 1,511 members perthchat.org
#35

Mautrix-Signal Bridge

Discussion about mautrix-signal | Latest release: v0.8.2 | https://github.com/mautrix/signal

0 msg/hr 1,173 members maunium.net
#36

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 msg/hr 1,081 members tchncs.de
#37

Nothing To Hide Privacy Chat

Permanently moved to #privacy-security-anonymity:anonymousplanet.net community. Rules: https://psa.anonymousplanet.org/#general | Privacy, surveillance self defense, opsec, digital rights, encryption,

0 msg/hr 1,060 members tchncs.de
#38

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
#39

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
#40

[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 890 members matrix.org
#43

Nothing To Hide Privacy Chat

Privacy, Surveillance Self Defense, OpSec, Digital Rights, Encryption, Financial Privacy, Privacy-enabling Technologies. Zero tolerance for discussion of how to commit illicit acts. LIMIT POLITICAL DI

0 msg/hr 829 members matrix.anonymousplanet.org
#44

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 795 members matrix.org
#45

#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 775 members matrix.org
#46

Bitcoin ₿

Bitcoin [BTC] cryptocurrency discussion

0 msg/hr 753 members matrix.org
#48

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 692 members matrix.org
#49

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 674 members jupiterbroadcasting.com
#50

#webrtc:matrix.org (OLD)

All about using Matrix as a WebRTC signalling layer, including Element Call

0 msg/hr 607 members matrix.org
#51

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 588 members tchncs.de
#52

Bitcoin

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

0 msg/hr 566 members minds.com
#53

Ethereum

Ethereum vs Crypto

0 msg/hr 563 members minds.com
#54

HelloZeroNet/ZeroNet

ZeroNet - Decentralized websites using Bitcoin crypto and BitTorrent network

0 msg/hr 563 members gitter.im
#55

DeepOnion

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

0 msg/hr 553 members matrix.org
#56

SDR (Software Defined Radio)

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

0 msg/hr 542 members matrix.org
#57

doipver

Decentralized OpenPGP Identity Proof Verification

0 msg/hr 493 members matrix.org
#59

[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
#60

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
#61

ethereum/pyethereum

Next generation cryptocurrency network

0 msg/hr 431 members gitter.im
#62

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 424 members nerdsin.space
#63

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
#64

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 362 members matrix.org
#65

Wired Rehab

Wired Rehab is a cypherpunk collective for better digital-spaces and better analog-selves | wired.rehab | Tags: agorism, philosophy, anonyminity, censorship evasion, decentralization, privacy, freedom

0 msg/hr 361 members aria-net.org
#66

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 343 members dsn.tm.kit.edu
#67

Analog Design

Analog and mixed-signal design discussion

0 msg/hr 329 members fossi-chat.org
#68

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 327 members matrix.org
#69

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 306 members tchncs.de
#71

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
#72

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 263 members envs.net
#73

RSS - Cypherpunk News

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

0 msg/hr 258 members envs.net
#74

gchq/CyberChef

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

0 msg/hr 255 members gitter.im
#75

OS Security

Discussion on sandboxing, kernels, mitigations, encryption, virtualization, capabilities, and everything that is directly or tangentially related to operating system security. Occasional discussion on

0 msg/hr 251 members fantasycookie17.onederfultech.com
#76

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
#77

HRT Chat 💉

Please don't post unspoilered images of needles in the chat! ### Guides for HRT - https://diyhrt.info/ (guides for both transmascs and transfems) - https://diyhrt.market/transfem-hrt-guide - https:/

0 msg/hr 238 members chat.blahaj.zone
#78

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 228 members mozilla.org
#82

RSS - Monero News

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

0 msg/hr 208 members tchncs.de
#83

!YRyTcRVrJzaHGZrsur:matrix.org

Discussion between developers designing E2E encryption in Matrix (i.e. the spec, the reference implementations).  Please only speak here if you are actively working on this; take other questions to #e

0 msg/hr 187 members matrix.org
#84

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
#85

michaelgrosner/tribeca

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

0 msg/hr 160 members gitter.im
#86

Bitcoin Cash

Bitcoin Cash [BCH] cryptocurrency discussions

0 msg/hr 158 members matrix.org
#87

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 158 members mozilla.org
#88

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 144 members envs.net
#89

CryptoCurrency

Bitcoin and Altcoins

0 msg/hr 142 members librem.one
#90

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
#91

Trussed

trussed.dev | Modern Cryptographic Firmware

0 msg/hr 132 members matrix.org
#92

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 127 members mxchat.cz
#94

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 121 members tchncs.de