1️⃣4️⃣ GRIN ツ Only Proof of Work ⛓️

Grin MimbleWimble News biweekly 14

September 01-16 /𝟮𝟬𝟮𝟮

TIME IS MONEY

NEWS & Developments

#GRIN AMA Interview with developer and Cuckoo cycle inventor ‘‘ John TROMP’’.

• Another AMA interview with John Tromp, who shared his Grin story and thoughts. Since the 2019 launch of GRIN and before, J. TROMP has been an active developer and contributor. Spend some time reading about his passion for the GRIN.

Grinpost

‘‘Grin’s simplest possible 1 coin per-second-forever emission extends that fairness even across time; early miners have no advantage over later ones. So Grin is PoW because only PoW satisfies its objectives of simplicity and fair distribution.’’

‘‘Only GRIN ツ is fair to late adopters.’’

J.TROMP

# GRIN Nano Ledger Live application.

• @NicolasFlamel published a forum post that includes an YouTube video demonstrating Grin transactions with the Ledger Live app. It works with Ledger Nano S or Nano S Plus hardware wallet, and uses the Send-Receive-Send workflow for sending and receiving GRIN.

  

# Grinventions Update

• Developer @Renzokuken is contributing to Grin with Grinventions.

  • Wallet MAC tag managing allowing verification if password is correct.

  • Documented the block body for the GRIN wiki website.

  • Slateboy GRIN Telegram Bot progress info is shared on the forum.

  ** Grinvention project is NOT financed from the Grin fund or the Grin community fund. As usual, donations are welcome. Anyone who wishes to support this project is welcome to donate to the following grin address:

  grin1vcjsgk6rltncqh7cxjywukjfrf825d8a6xk77msfuhf9ev3r55wq7l2ng4

#Bounty CLOSED !!

Bounty for a Python cffi secp256k1-zkp wrapper !

• Developer @renzokuken is working on a Mimblewimble implementation in Python The library already has some useful features, but it is yetcompleted. The current barrier is access to secp256k1-zkp methods. Requesting help with writing a CFFI wrapper of secp256k1-zkp fork mentioned and a bounty idea has been offered.

‘‘The bounty proposed in Tuesday’s 13th of September CC meeting has officially been approved by the CC members:

* 3,000$ bounty for significant progress.

* 10,000$ (includes the $3000) for the finished, well documented and well tested wrapper. MIT license open source, or if possible with the wrapped package, Apache license are required.’’

Bounty is loecked for @walkbackgod.

#Open Bounty opportunities

• 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 apple 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 and long time Grin Core developer Dr. J.Tromp.

*You can join and contact via forum for the bounties.

#Development PR

• There are 115 issues at mimblewimble/grin and 71 issues at at mimblewimble/grin-wallet

  Merged PRs

  * https://github.com/mimblewimble/mwixnet/pull/15

  * https://github.com/mimblewimble/mwixnet/pull/7

  * https://github.com/mimblewimble/mwixnet/pull/3

• Grin++ Node and wallet Updates by @davidtavarez

  • Removed more unnecessary P2P logs.

  • Removed more unnecessary Tor logs.

  • Fixed Snowflake configuration.

  • Improved Tor Bridges configuration in general.

  • Added more tests in regards of Tor.

#Request for comments

[WIP]

• • Payjoins Support by Phyro

  • Safe Cancel by Tromp

  • Early Payment Proofs by Tromp

Draft

• • Succint Atomic Swaps by Gene

Open

• Multisignature Outputs by GeneFerneau

• Atomic Swaps by GeneFerneau

• Manual Confirmation of Transaction by DavidTavarez

• Multiple Named Wallets by Sheldonth

• PIBD Deployment by Yeastplume

• Auth slates proposal by renzokuken

Governance

• Bounty for a Python cffi secp256k1-zkp wrapper approved.

• Community meeting time schedule approved.

  The next bi-weekly development meeting is scheduled for Tue Sept 27 @ 10:00 UTC in grincoin#general on Keybase. You can add topics to the agenda & review past meeting notes.

  For more info and links about GRIN ツ , with up-to-date developments and materials,

  visit GrinCC ↘️

  

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

  GRIN is the original implementation of MimbleWimble.

  Any views, materials, expressed opinions are personal and do not represent an official position of the Grin ツ project. Any feedback, news or other suggestions, please email: grinpost@protonmail.com.

  Just GRIN ツ