103: Bulletproofs+ 🔫

Jun 15-21 2020

tl;dr

• testnet forked to v4.0.0 successfully

• academic research on Grin and bulletproofs

• new community driven twitter account

• antiochp & lehnberg funding requests

Grin @MWgrin

Is Grin the most popular? No. Is Grin the most private? No. Is Grin the most user friendly? No. Is Grin the most yellow? Fuck yes.

Dev

• There are 78 open issues in /grin, and 36 open issues in /grin-wallet.

• Merged PRs: 2 in /grin | 6 in /grin-wallet | 3 unique contributors

• Grin v4.0.0 Network Upgrade (HF3) is expected around July 15, 2020.

  • Node: beta2, Wallet: beta3

  • Floonet hard forked successfully

  • Testing instructions and results for Node and Wallet, promising so far.

  • General HF3 info

• Discussion in the forum about potentially making Coinbase outputs indistinguishable from other outputs, for some added obfuscation benefit.

• The next bi-weekly developer meeting is scheduled for Tue Jun 23 @ 15:00 UTC in grincoin#dev on Keybase. You can add topics to the agenda.

Research

• On the Confidentiality of Amounts in Grin
  Suyash Bagad and Saravanan Vijayakumaran
  Utilizing the knowledge of public coinbase reward outputs to create upper bound limits of Grin UTXOs.

• Bulletproofs+: Shorter Proofs for Privacy-Enhanced Distributed Ledger
  Heewon Chung, Kyoohyung Han, Chanyang Ju, Myungsun Kim, Jae Hong Seo
  Optimization using the Weighted Inner Product argument to reduce the size of a bulletproof by 14.3%.

Governance

• The following funding requests have been submitted and will be decided on in the Jun 30 governance meeting (those interested should participate):

  • @antiochp, Q3 2020

  • @lehnberg, Q3 2020

  • @yeastplume, Q3 2020

• New community driven twitter account - @MWgrin 👈 be sure to follow.

• The last governance meeting reviewed Open RFCs and discussed post-4.0.0 planning.

• The next bi-weekly governance meeting is scheduled for Tue Jun 30 @ 15:00 UTC in grincoin#general on Keybase. You can add topics to the agenda.

RFCs

Draft

• Parallel IBD [node-dev]

Open

• QA Team [core]

• Deprecate HTTP(S) Transactions [wallet-dev]

Final Comment Period

• Slatepack [wallet-dev] - disposition to be merged on Jun 30.

Accepted

-

Closed

-

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“Freckled Grin” Artwork in this edition is by @LovelyGrin.

This newsletter is curated by Daniel Lehnberg. Any views expressed are personal and do not represent an official position of the Grin project.

Got news or articles you would like to include? Any feedback or other suggestions? drop me a line on daniel.lehnberg-at-protonmail.com or find me on Keybase.