Our weekly showcase of the best contributions rewarded in the past seven days includes quite a few surprises this week! We had picked a critical bug on the Steem blockchain, a number of excellent tutorials, a guide to submitting great development contributions and, finally, a stellar contribution to the Visibility category.

Staff Picks

Analysis of the Resteem feature by @sintoniz [analysis]

A full analysis of the Resteem feature, with interesting analysis of the average resteems per account and average resteems per posts through the past year. A really well presented contribution.

Total payout: 117.63 STU
Number of votes: 69

Create a slideshow using HTML5 , CSS3 and jQuery by @alexendre-maxim [video-tutorials]

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@alexendre-maxim submitted a very straightforward video tutorial on how to create a slideshow using html5/css3/jquery. The tutorial started from scratch and concluded with a final working product. He showed many tweaks and adjustments throughout the tutorial, and took time to explain a great deal of what he was doing so learners would understand the process. When an error was detected in the code, he would explain why the error was there and how he was able to fix it.

This was a very nicely done tutorial and learners will benefit from the methodical approach to teaching the topic.

Total payout: 52.26 STU
Number of votes: 59

Machine learning (Keras) and Steem #1: User vs bid-bot binary classification by @jacekw.dev [tutorials]

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@jacekw.dev shared a great tutorial about an aspect often debated on Steemit, bots vs humans. He utilizes python based scripting and particularly keras to pull out and visualize a collection of bot and human users, and builds up an approach to have a machine learning concept to determine the difference.
Useful work, clear conclusions and visualizations, and potential for better work experience are all highlighted in this tutorial.

Total payout: 87.33 STU
Number of votes: 94

The user guide for a newbie on how to build a private Steem blockchain for corporate projects by @jga [tutorials]

In response to a Task Request by the European Financial Transparency Gateway to well document setting up Steem blockchain for corporate projects, @jga provides a well-written step by step tutorial for those purposes, leading the user across the way to have his own functional steem blockchain, up until producing blocks and initiating witness accounts.

Total payout: 148.17 STU
Number of votes: 101

Inclusion of Inventory, Client names, Payment modification and Barcode functionality on Bitcoin PoS by @tykee [ideas]

Bitcoin PoS is a straightforward mobile application that is used by bitcoin merchant to accept payment of goods in bitcoin through this application. The app is convenient and simple to use.

This post by @tykee suggests a reasonable and some necessary features for the application that can improve and increase the app usability.

Total payout: 63.73 STU
Number of votes: 15

Steem [HF19] Possible reward pool gaming by cycling delegations by @rafalski [bug-hunting]

The Steem delegations functionality had an interesting Critical bug allowing users to earn 43% more Rewards using the same Steem Power. This bug was make possible by cycling delegations between users and exploiting the code that replenishes your Steem voting_regen_period. @rafalski reported this bug in a well-detailed manner with a useful scenario.

Total payout: 12.45 STU (Not voted by Utopian yet)
Number of votes: 48

Promoting Moodle With Facebook Ads - Part 3 by @siersod [social]

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The first contribution to be picked as outstanding in the visibility category to date is a campaign report by @siersod. It is the third part in an ongoing campaign promoting Moodle, an open source tool for the classroom for teachers and educators. With ongoing optimization of the ad message and target audience, this Facebook campaign reached a cost-effective conversion rate, and the post even offers a useful tip in CPC optimization for other contributors to learn from.

Total payout: 1.03 STU (Not voted yet by @utopian-io)
Number of votes: 34

How to achieve the highest score for a better Utopian reward for development contributions by @gregory.latinier [blog]

@gregory.latinier , a moderator of development category, explains the guidelines and questionnaire of the category in detail, in addition to his own expectations and approach to reviewing contributions in the category. This post answers most of the questions contributors could ask, and does it with point by point clarifications. It is highly recommended for developers submitting contributions to Utopian to read this how-to.

Total payout: 359.30 STU
Number of votes: 528

Steem White Paper Greek Translation Part 7 (+ 1350 words) by @dimitrisp [translations]

The translator goes beyond the requirement of 1000 word volume and the translation is done with high quality and accuracy. The Greek language used is correct in grammar, spelling and syntax.

Total payout: 93.70 STU
Number of votes: 50

Utopian.io Post Statistics

The staff picked contributions are only a small (but exceptional) example of the mass of contributions reviewed and rewarded by Utopian.io.

• Overall, the last week saw a total of 233 posts, with 187 of them rewarded through an upvote by @utopian-io.
• In total, Utopian.io distributed an approximate of 7374.35 STU to contributors.
• The highest payout seen on any Utopian.io contribution this week was 697.077 STU, with a total of 637 votes received from the community.
• The contribution that attracted the most engagement was Steemauto and its problems - Solved!, with no less than 26 comments in its comment threads.
• The average vote given by Utopian.io was worth 57.61 STU.

Category Statistics

Category	Reviewed	Rewarded	Total rewards	Top contributor
ideas	15	9	134.50 STU	@tykee
translations	72	72	3035.63 STU	@samhamou
blog	24	12	599.29 STU	@rosatravels
analysis	5	5	425.69 STU	@jingis07
bug-hunting	23	17	187.76 STU	@tobias-g
development	40	35	1862.08 STU	@justyy
graphics	16	13	683.51 STU	@iqbalhood
video-tutorials	5	3	51.65 STU	@alexendre-maxim
tutorials	22	14	322.27 STU	@onepice
social	5	4	51.65 STU	@siersod

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