A blockchain’s security is not just cryptographic; it is also social and economic. It relies on a vibrant, diverse, and decentralized ecosystem of developers, miners, node operators, and users..

DEV

• Extension Grin Node API during synchronization PR opened.

OPEN ISSUES

• GUI Wallet has 21 issues.

• mimblewimble/grin pr has 123 issues.

• mimblewimble/grin-wallet has 76 issues.

• Mimblewimble-py has 7 issues.

• Mwixnet has 8 issues.

• grin docker has 3 issues.

GRIN RFC

• [WIP] Payjoins support wallet.

• [WIP] Safe cancel.

• [WIP] early payment proofs.

NEWS

• A discussion began regarding Bitcoin’s embracing mimblewimble, along with some concepts for creating GRIN-BTC atomic swaps, which originated from an issue posted on Bitcoin’s GitHub.

• Bitcoin embracing MimbleWimble discussion related above started at FORUM also.

• Coinmarket cap false Grin supply displays fixed by update.

• Syntax jak, a grin fan & contributer started a youtube stream channel about GRIN and his point of view.

BOUNTY

Dr.Tromp inventor of cuckoo algo- developer for Grin, set up a mini bounty (256$) to spamproof features of Grin in a Bitcointalk conversation about the bitcoin OP_ RETURN spam debate.

• Grin Bulletin Board: Discussing three options and select one for bounty:

  Design and code previously-introduced idea for Grin Bulletin Board or create your own.

• Audit the Atomic Swap repo for functionality and completeness:

  https://github.com/mimblewimble/grin-wallet/pull/618

  If interested, reach out on the forum (https://forum.grin.mw), introduce yourself and begin discussion today!

• 1 BTC bounty for MacOS M1 Ultra miner:

  Bounty - 1 BTC + 100 Grin ツ for a MacOS M1 C32 Open Source Miner with ≥0.5 Gps, offered by Cuckoo Cycle author by Grin Core developer Dr. J.Tromp.

• Offline Wallet Grant. 30,000 grin will be given to anyone who can develop an offline wallet feature that can be integrated into Android/iPhone mobile devices.

• 10k ツ bounty for a Wordpress plugin to be used Grin payment on Wordpress Woocommerce platform.

• 1 Million Grin Bounty offered from a Grinner declared on x platform, still intact if you can trace this GRIN tx id: 08a159efd23e560d55a9adadecb2254c8d9f40a9ec7c867eca15f15b4618ce40c5

  Provide 2 out of 3 details:

  • Sender address

  • Receiver address.

  • Amount transacted.

  ‘‘You can join and contact via forum for the bounties.’’

Governance

• No decision held.

• NEXT DEVelopment MEETING 04 November 2025

Link: https://github.com/mimblewimble/grin-pm/issues/438

• The next bi-weekly community meeting is scheduled for Tue 04 NOV at 19:30 UTC on

  Grin Governance Council Telegram channel. ⚡

  • ✅ You can add topics to the agenda & review past meeting notes.

Grin ツ is an opensource project, everybody is free to contribute and join. Thanks to all contributors.

Grin is the original implementation of MimbleWimble.

• https://linktr.ee/grin.org

  JUST GRIN ツ