Security policy

Learn how to responsibly report a security issue.

Supported Versions

We have a 3 month release cycle, and the last two versions are supported.

Reporting a Vulnerability

To report security vulnerabilities, please send an email to one of the following addresses:

Note: These email addresses are exclusively for vulnerability reporting.

For all other inquiries/communication, please refer to the Reach Out to Us section in our README.

Signatures For Releases

The following keys may be used to communicate sensitive information to
developers, and to validate signatures on releases:

NameEmailFingerprint
Blockstream Security Reporting[email protected]1176 542D A98E 71E1 3372 2EF7 4AC8 CC88 6844 A2D6
Rusty Russell[email protected]15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
Christian Decker[email protected]B731 AAC5 21B0 1385 9313 F674 A26D 6D9F E088 ED58
Lisa Neigut[email protected]30DE 693A E0DE 9E37 B3E7 EB6B BFF0 F678 10C1 EED1
Alex Myers[email protected]0437 4E42 789B BBA9 462E 4767 F3BF 63F2 7474 36AB
Peter Neuroth[email protected]653B 19F3 3DF7 EFF3 E9D1 C94C C3F2 1EE3 87FF 4CD2
Shahana Farooqui[email protected]FE13 58EB 7793 51DB 24E5 555A A327 573C 9758 9BF5
Blockstream CLN Release[email protected]616C 52F9 9D06 12B2 A151 B107 4129 A994 AA7E 9852

You can import a key by running the following command with that individual’s fingerprint:
gpg --keyserver hkps://keys.openpgp.org --recv-keys "<fingerprint>".
Ensure that you put quotes around fingerprints containing spaces.


Core Lightning (previously c-lightning) is a lightweight, highly customizable and standard compliant implementation of the Lightning Network protocol.

© 2023 Core Lightning
All rights reserved.

Discussion Forum

The official Core Lightning forum is hosted at discuss.corelightning.org

BuildonL2 Community

The official BuildOnL2 community lives at community.corelightning.org. Join us and build the future of bitcoin on lightning.

Mailing List

For general discussions about CLN implementation, use [email protected]. For the Lightning Network, use [email protected]

Telegram

Community-driven telegram group where most of the node operators hang out. Go to https://t.me/lightningd to join.

Discord

Community-driven discord server where the devs flock together. Go to https://discord.gg/w27fMFESMN to join.

Internet Relay Chat

Don't hesitate to reach out to us on IRC at #lightning-dev @ libera.chat, #c-lightning @ libera.chat.