> I am a software developer based in Cambridge, UK. I develop several tools that help enhance the steem community especially the CN.  I maintain a Steem Witness Node that supports the growth of the steem blockchain.

> I am a [Utopian Moderator](https://steemit.com/@utopian-io). I review submissions in the development category.

> I am currently the [8-th most delegated account - currently 303 delegators!](https://steemyy.com/top-delegations-by-count/) on the STEEM Blockchain.

**https://steemyy.com**

![](https://justyy.com/wp-content/uploads/2018/08/justyy-on-beach.jpg)

# Weekly Witness Update 
As a witness, I feel it is useful to have a weekly report, which will be produced every weekend at the hashtag #witness-report

# Last Report
[@justyy's Weekly Witness Report - 10/Feb/2019](https://steemit.com/witness-category/@justyy/justyy-s-weekly-witness-report-10-feb-2019)

# Witness Status
[My Witness Page](https://steemyy.com/witness-data/justyy)

# Main Witness Server
- Running 20.9 now (Docker)
- Location: Germany
- 10 cores of Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz
- 60 GB RAM
- 1600 GB SSD
- 1300 Mbit/s port, Upstream 130 Gbits
- Ubuntu 18.04 bionic

# Backup Witness Server
- Running 20.9 now (Docker)
- Location: Germany
- 10 cores of Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz
- 50 GB RAM
- 1200 GB SSD
- 1000 Mbit/s port, Upstream 130 Gbits
- Ubuntu 16.04 xenial

## Block produced in last 7 days
70 blocks (-4) produced in last 7 days and rewarded 160363.4236 VESTS in total (approximately 79.4665 (-5) Steem Power).

## Witness Summary
Rank 72(-4) - Total Votes: 12184MVs (around -500 MVs)  and 757 Voters (+4) . Total: Missed 28 Blocks. (0 - Miss this week). Feed published every 2 hours smoothly.

## Delegation
@justyy is the 8-th most delegated ([303 Delegators](https://steemyy.com/delegators/?id=justyy)) project on steem blockchain (See below).

## Delegation Rewards
In last 7 days, 116 SP were given out to the [303 delegators](https://steemyy.com/delegators/?id=justyy). Thank you!

The steem price is low and hence more delegations to @justyy as his delegation return APR% still stays the same.

## Revenue and Expenses
1. Monthly SteemSQL  cost: **20 SBD** roughly 60 STEEM at current price.
2. Monthly Costs for Two Witness Nodes: around 100 USD
3. Monthly API server costs: around 150 USD 
4. Monthly Domain Costs: 5 USD
And not to mention time and efforts spent on:  developing new tools, monitoring and upgrading the witness servers. It is profitable only (especially under such low STEEM price) if you are at Top 50, so please do support me by [voting me as a witness](https://steemconnect.com/sign/account_witness_vote?approve=1&witness=justyy) or [set as a witness proxy](https://v2.steemconnect.com/sign/account-witness-proxy?proxy=justyy&approve=1). Thanks.

I like STEEM and I do believe the STEEM - that is why I have been spending money and efforts on being a witness and promoting STEEM community via developing tools/applications, providing APIs, helping Utopian moderating work etc.

# Utopian Moderations
1. [RE: Steem Node Exchange Tool - A chrome extension for saving steemian in China](https://steemit.com/cn/@justyy/re-liuzhixiang-steem-node-exchange-tool-a-chrome-extend-for-saving-steemian-in-china-20190217t152825717z)
2. [RE: OneLoveDTube IPFS Uploader v0.8.4: Keychain auth support, updated homepage and more!](https://steemit.com/onelovedtube/@justyy/re-techcoderx-onelovedtube-ipfs-uploader-v0-8-4-keychain-auth-support-updated-homepage-and-more-20190216t131957763z)
3. [RE: MyDiceBot - 190212 is released with KeePass integrated NOW!](https://steemit.com/utopian-io/@justyy/re-mydicebot-mydicebot-190212-is-released-with-keepass-integrated-now-20190214t213656670z)
4. [RE: Steem Apps Discord Bot - Utopian-io Submission](https://steemit.com/utopian-io/@justyy/re-petertag-steem-apps-discord-bot-utopian-io-submission-20190214t011126343z)
5. [RE: Transfer script for Steem-engine.com tokens](https://steemit.com/steemengine/@justyy/re-steemdevelopment-transfer-script-for-steem-engine-com-tokens-20190210t214437040z)

# Steem Posts
1. [Coinbase $3 Free Giveaway by Learning ZCASH!](https://steemit.com/busy/@justyy/coinbase-usd3-free-giveaway-by-learning-zcash)
2. [Happy Valentines - the heart in Magik programming!](https://steemit.com/programming/@justyy/happy-valentines-the-heart-in-magik-programming-q1upx6ds)

# Blog posts
0. [The Cousins in Binary Tree](https://helloacm.com/the-cousins-in-binary-tree/)
1. [The Review of cozmo robot from Anki](https://helloacm.com/the-review-of-cozmo-robot-from-anki/)
2. [Scaling Digital Marketing Agencies Through White Label](https://helloacm.com/scaling-digital-marketing-agencies-through-white-label/)
3. [How to Solve the Lemonade Change Problem by Simulation Algorithm?](https://helloacm.com/how-to-solve-the-lemonade-change-problem-by-simulation-algorithm/)
4. [How to Sum within A Range in a Binary Search Tree?](https://helloacm.com/how-to-sum-range-binary-search-tree/)
5. [Magik Says Happy Valentines by Drawing a Heart to Console](Magik Says Happy Valentines by Drawing a Heart to Console)
6. [Cloud-Ready Infrastructure Optimization](https://helloacm.com/cloud-ready-infrastructure-optimization/)
7. [Tips To Improving Website Runtime](https://helloacm.com/tips-to-improving-website-runtime/)
8. [How to Insert into a Binary Search Tree (Recursive and Iterative)?](https://helloacm.com/how-to-insert-into-a-binary-search-tree-recursive-and-iterative/)

# Chinese Posts
1. [孩子喜欢的 cozmo 机器人](https://justyy.com/archives/6859)

XXX----------------

**Enjoy and Steem On!**

## Delegate to @justyy
@justyy runs a automatic delegation service for a long time. Delegate to @justyy for at least 5 SP and start receiving daily payout as interests (from 8% to 10% APR). Also, as a supporter, the delegators will start to receive complimentary/curation upvotes (as a thank you) per day from e.g @justyy and a few other curation trails. For more information, [read this](https://github.com/DoctorLai/steemit-wechat-group). The voting weight algorithm is [open source](https://steemit.com/busy/@justyy/bank-of-china-implements-a-new-voting-algorithm).

- Delegate to @justyy - [at least 5 SP to join (automatically)](https://steemyy.com/sp-delegate-form/?delegatee=justyy)
- [Undelegate to @justyy (Quit) - SP returned by steem blockchain in 5 days](https://steemyy.com/sp-delegate-form/?delegatee=justyy&amount=0)
- [View Current Delegators/Supporters](https://steemyy.com/delegators/?id=justyy)

![image.png](https://ipfs.busy.org/ipfs/QmaKByGsx3u8EjVWAK8LLkCtzc3MSoZdQKJU4wQ7Fm9FLH)

## 303 Delegators! Thank you!
*@justyy is the 8-th delegated project on steem blockchain*

> Please note that the SP you enter is the final amount to delegate. For example, if you already delegate 10 SP and you want to delegate another 5 SP, you will need to enter 15 SP (instead of 5 SP) in the delegation form.

##  [Vote for me](https://steemconnect.com/sign/account_witness_vote?approve=1&witness=justyy) or [Set me as a witness Proxy](https://v2.steemconnect.com/sign/account-witness-proxy?proxy=justyy&approve=1) - Every vote counts! - Thank you!

## Your Vote is much appreciated, and every vote counts.
Check out [My Witness Page](https://steemyy.com/witness-data/justyy)

------------------------------------------------
### My Witness Campagin
Support me and my work: [my witness campagin](https://steemit.com/witness-category/@justyy/justyy-just-another-witness):
1. voting me [here, or](https://steemconnect.com/sign/account_witness_vote?approve=1&witness=justyy)
2. voting me as a [proxy](https://v2.steemconnect.com/sign/account-witness-proxy?proxy=justyy&approve=1)

### Some of my contributions: 
1. [SteemIt Tools, Bots, APIs and Tutorial](https://helloacm.com/tools/steemit/)
2. [VPS Database](https://anothervps.com/vps-database/)
3. [Video Downloader](https://weibomiaopai.com/download-video-parser.php)
4. [Cryptocurrency Discord Bot](https://discordapp.com/api/oauth2/authorize?client_id=417847038697406467&permissions=522304&scope=bot)
5. [SteemIt Discord Bot](https://discordapp.com/oauth2/authorize?client_id=418196534660694037&permissions=522304&scope=bot)

Join cnsteem Discord channel: https://discord.gg/SnNaaYS