QuarkChain Bi-weekly Project Progress Report: Dec.14— Dec. 28, 2018

Welcome to the 21th QuarkChain Bi-weekly Report for the period from Dec. 14 to Dec. 28.

1. Development Progress

We made several new testnet releases by fixing various bugs in Testnet 2.0 and improving the overall mining efficiency.

(A note on our version numbers based on https://semver.org/, our “minor” release signifies network id which means it won’t be compatible with the previous network; however the “patch” releases are fully compatible. For example, 2.3.3 is compatible with 2.3 but not 2.2)

Testnet 2.3

Removed adaptive guardian difficulty adjustment;

Included more minor blocks (configurable) in a root block;

Enhanced p2p preferred peers function;

Docker supports both python3 and pypy3 (pypy is faster but prone to memory issues);

Improved rootchain synchronizer;

Cleaned up some code for old devp2p module;

Developed quick mining tools.

Testnet 2.3.1

Improved timeout logic to avoid cluster trapped in bad states;

Gracefully shutdown clusters when master & slave servers lost the connection;

Improved logging process and removed unused codes.

Testnet v2.3.3

Fixed race conditions during frequent PoW submissions;

Set the default to python3 for external miners.

2. Event

2.1 Testnet 2.0 Mining Event

Testnet 2.0 further improves the openness of the network. Users who participate in the mining of the testnet and obtain the test tokens (tQKC) can be converted to QKC of the mainnet in a certain ratio after the launch of mainnet (note that Country restriction). Please find more details here:

  1. Testnet 2.0 Mining Introduction: https://medium.com/quarkchain-official/quarkchain-announces-official-launch-of-testnet-2-0-mining-8d16c9cd83ef
  2. Step-by-Step Mining Guide: https://medium.com/quarkchain-official/step-by-step-tutorial-setting-up-a-qkc-miner-with-aws-d80f773e4ab6
  3. How to calculate mining reward: https://medium.com/quarkchain-official/how-is-the-mining-reward-calculated-ab64a12ec877
  4. A small tutorial on how and what to do to start mining from a computer or server running Windows: https://cryptored.ru/crypto-news/quarkchain-qkc-testnet-2-mining-in-test-network-tqkc-english-version/ (English Version)
  5. A small tutorial on how and what to do to start mining from a computer or server running Windows: https://cryptored.ru/crypto-news/quarkchain-qkc-testnet-2-majning-v-testovoj-seti-tqkc/ (Russian Version)
  6. Step by Step Mining Guide :https://www.jianshu.com/p/dac18a97b629?from=groupmessage&isappinstalled=0 (Chinese Version)
  7. How to start mining server running Windows: https://www.jianshu.com/p/967408435c1b (Chinese Version)
  8. Advanced Mining Guide : https://www.jianshu.com/p/69805b7d00bc (Chinese Version)

2.2 QuarkChain Bounty Program

In order to continue the healthy growth of QuarkChain community, while creating greater value and influence, we announced the launch of the QuarkChain Bounty Program. Community members can help us build a more active, friendly and valuable community by fulfilling the tasks we published, and get community cumulative points as a reward.

Please read more details here: https://www.quarkchain.io/quarkchain-bounty-program/

Also we have “Introducing Bounty Program in 10 min”: https://www.youtube.com/watch?v=sdLNAjAA_zc&t=13s

2.3 Offline Meetup in Africa

On December 23, QuarkChain’s African Global Ambassador held an offline meeting in Nigeria. The meeting was spontaneously organized by local ambassadors and enthusiasts. More than 25 participants participated in the event. Beginning with the popularization of block chain technology, this meetup introduced QuarkChain’s technical characteristics and future vision, and discussed the local application of block chain technology in Africa.

2.4. QuarkChain qPocket Mobile Wallet

QuarkChain Wallet — qPocket (V1.1.0) has officially launched last month. qPocket is a wallet that supports not only multi-shard transactions of QuarkChain, but also ETH and ERC-20 tokens. Please read more details here:https://medium.com/quarkchain-official/introducing-qpocket-mobile-wallet-v1-1-0-41e2fa564ace

Also we published wallet guide: https://medium.com/quarkchain-official/qpocket-user-guide-in-5-minutes-d94120728553

Please download qPocket here: qpocket.io

For Android users, qPocket is available on Google Play, please download here: https://play.google.com/store/apps/details?id=com.quarkchain.wallet

We will have more activities related to qPocket in the future. Please download qPocket and everyone is welcome to join our activities in the near future.

QuarkChain always appreciates the community’s support and company.

  1. We opened QuarkChain’s official developer community on Discord. Please feel free to join us and discuss up-to-date blockchain technologies with other hackers. Welcome! https://discord.me/quarkchain

2. We also started a new post in QuarkChain’s official Reddit Account. We will collect questions before AMA. Please feel free to post questions and suggestions on Reddit. http://bit.ly/AMA1229_TW

3. Facebook https://www.facebook.com/quarkchainofficial/

FYI

Website
https://www.quarkchain.io
Discord
http://discord.me/quarkchain
Telegram
https://t.me/quarkchainio
Twitter
https://twitter.com/Quark_Chain
Medium
https://medium.com/quarkchain-official
Reddit
https://www.reddit.com/r/quarkchainio/
Facebook
https://www.facebook.com/quarkchainofficial/

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QuarkChain provides a secure, decentralized and scalable blockchain solution to deliver 100,000+ on-chain TPS

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