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Forums - 2026 Kao Coin Contest - Rule preparation

Top > renshuu.org > Announcements

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マイコー
Level: 346
Hello!

Our annual Kao-coin drawing contest is coming up soon (October). It's time to consider changes/additions to the rules.

For reference, the previous year's rules are here: https://app.renshuu.org/forums...

Now, I'd like to be direct: I worry that the contest is not long for this world. We want this to be a 100% human-drawn (whether by hand or digitally) contest, but AI entries keep on popping up each year (the last couple of years).

Frankly, I don't have the time to run the contest if the burden of detecting AI junk gets much higher than it already is.


The purpose of this thread is to look at last year's rules, and discuss changes or additions to the procedure for entry that could help us have a successful contest this year!

(Note: I am not looking for any comments on entries from last year. I simply want to focus on the rules and steps for participation.)
32
9 days ago
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It does seem hopeless. Maybe it would help to have separate categories for physical work and computer-created work. I don’t think it’s possible to reliably detect faked evidence of manual effort anymore, but an honor system with no penalty for telling the truth would make it easier to comply than cheat.

11
9 days ago
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I guess the goal is to make it as difficult to cheat as possible without making it miserable for legitimate artists. Perhaps having one or two additional progress "checkpoints" (in addition to the 40-60% one). Maybe one at 20-25% and one at 80-90%? If I had to pick just one, I'd go with 20-25%.


You could require participants include a handwritten random code or short note along with their work. Maybe in a separate Layer on top of the rest of the artwork. Anyone who legitimately does digital art should have no problems freehanding a code/note along with their proof.

I'd also require progress screenshots to clearly show the software and Layers.


Those are all things I'd personally have no problem with as someone who participated last year. If the alternative is binning the whole thing, inconveniencing participants a little seems fine to me.


PS: Faking this type of evidence is technically possible, but not something that can be done casually. Making the process of cheating more involved should reliably filter out most cheaters.


Edit: I guess some apps don't have Layers / some people don't use them, so maybe just a full view of the app would be enough.

23
9 days ago
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Inkheart
Level: 568

I think something that would relatively easy for genuine artists to provide is a construction drawing. Most people (me included) draw some sort of basic structure that acts as a guide for their finished rendering; I'm sure it's not impossible, but it certainly seems like AI would have a harder time creating a construction drawing that appears logical to an experienced artist. It would probably be the easiest stage to detect fake submissions.

11
9 days ago
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3Neko
Level: 463

How about this: Make everyone make two versions of their coin: a digital and a non-digital.


One of them will naturally be better for most artists. Everyone can define the image they want to be the contest-image.


The thing is: artists draw and paint a distinctive style among all mediums. Even amateurs. The two images will resemble each other in an artist/human specific way. The good parts and the bad.

An AI-user usually doesn’t have the abilities to draw, paint or even scribble a version of „their“ image. They may fake something, but I believe you can see the difference in authorship. The ability level to move your hand is recognizable.


The non-digital version needs to be obviously non-digital, like a photo with a bit of a table or something. Well, and all the other rules that are in place already should remain, if they were helpful in the past.

12
8 days ago
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ブルブルクン
Level: 1402

I took a quick look at last year's entries and I think there are some in there that became kao coins that lack enough proof, and even some that could be AI generated because the proof is bad. I think more checkpoints is definitely necessary. A single checkpoint is easier to fake. The logical flow between multiple checkpoints would be harder to fake.

To take some of the burden off of you, perhaps you could add a little bit of voting? Not sure how it would look, but it could also increase interest. One of the voting options would be "I think this could be AI" or something like that.

7
5 days ago
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マイコー
Level: 346

There were many from last year that were suspect, and additional proof was provided that was not put in the thread.

I am 100% against voting. I've already had several images that I had high confidence were not AI (largely due to those artists' participation in the contest years before AI took off), but were bandwagon-ed against (discord, etc.) for being "too good".

Some reports last year went into detail, talked about specific elements about the images, etc. Others were "this is so good, it must be AI", not realizing how much time some people put into their entries. So a binary "vote" for/against something being AI is too dangerous in my mind.

27
5 days ago
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Henrietta2011
Level: 426

Something I heavily leaned towards last year was showing the planning phase and many failed sketches/ ditched ideas that contributed to my final piece before any real drawings existed alongside a 60-70% done drawing.

Using the ideas above, such as having more checkpoints and showing some planning (e.g., sketches, refrence images etc.) would make cheating harder.

However, I can understand some people are not the planning type making this meaning it may be hard for creative people to prove their entries are not AI.

Due to this, if showing planning is not possible for the rules, the next likely thing to implement would be writing a short brief statement accompanied by checkpoints similar to how they force students studying art in schools and universities to write words in the form of an artist's but simplified to at least 2 sentences instead of 300 words.

If these were rules, the first one with planning would be on the lines of "Some form of planning must be submitted with [a certain number most liekly 3] progress checks" while the one leaning towards writing an artist's statement would be written similar to "You must justify your process of making the art such as stating the materials used and mediums involved"

Yes, I know these rules sound boring and may render fewer entries due to a tedious process, but this can force people to justify how they drew their works, what medium was used so no one can generate a water color painting and say it is acrylic and increase the number of progress checks to ensure no AI is used.

I would also think that a select panel of some previous renshuu kao coin artists could help at looking at descriptions and help determine if the artwork is human made based on statements and if it matches to ensure the "security" can increase to prevent AI slipping in. I wouldn't call this voting but getting a few select people that know art to help verify

(I am thinking people who have had many verified entries in the past or have been in older contests before AI happened in the renshuu competitions)

[Absolute not even 1000 people can tell the difference with a real and AI entry] Worst case scenario, force all future entries to be hand drawn or have a hand drawn copy converted/ remastered with evidence it was done by hand. (But this is only a drastic measure)

(the main points bolded)

Edit: ban all renshuu social privileges to cheaters such as use of forums, haiku, word gardens, public shiritoris, crowdsourcing projects or strip their garden kao coins to zero/ factory default coins

My faveroite rule from last year that looks like something that definitely works is obiously stripping away privileges kao_devil.png (and feeling like Satan/ a school teacher or even a 100% anti AI person is lurking in October ready to punish those who swear their lives by AI generated content)

7
5 days ago
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マイコー
Level: 346

There will not be punitive measures unless a person says "yea, I knew I wasn't supposed to use it, and I used it anyway." Otherwise, there is *no definitive* way to say something is AI.

I noted this above, but if it gets to that, I'll just drop the contest altogether - obviously not something I want to do, but it is already a huge time investment to review and judge hundreds of entries - I don't really want to add a ton of layers on top of that.

9
4 days ago
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Lemure
Level: 100

Maybe we could send a letter with our work in it???

0
3 days ago
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マイコー
Level: 346

I cannot handle physical media (mail, etc.), sorry!

5
3 days ago
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フィラル
Level: 570

For digital work, providing images of the multiple layers should work relatively well. I don't think AI diffusion can fakes those yet.

For physical art, having an early and a late version should be enough in my opinion.

7
3 days ago
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mats_mono
Level: 164

This has become a problem everywhere (I work with illustrations and 3d art). It's getting harder and harder to discern what is actually AI.

A community check/vote would probably be the best way to find potential AI submissions. The human eye is still pretty good at spotting AI slop. Maybe let users flag art that is potentially AI and let more users check it?

That, together with a mandatory submission of sketches/progress images, should be able to solve at least 98% of the issue. 😅

5
3 days ago
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Floweryyyy
Level: 139

maybe for digital art, show each layer in groups so that ai wouldn't be able to recreate like "make the first three layers of this" ,usally the hair and body and stuff would be on different layers,and so the ai would put things that isn't supposed to be there

2
3 days ago
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Theobaldus
Level: 235

Along they layers consideration and steps, I use GIMP and provided it doesn't crash while working with it you can easily get a "speedpaint" effect by holding the undo command and then recording a video while you keep "redoing" the steps by holding ctrl+Y. Saving the project doesn't seem to affect the history, but of course a crash would permanently delete the source which makes this possible. I was thinking of doing this for my submission along the steps captures.

Hope this helps!

1
3 days ago
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すねだ
Level: 2221

I think it is hard to foolproof completely for AI without increasing the workload of judging tremendously. I think having process images and hoping that people have a sense of honour and pride in themselves. It should be for fun after all.

Also maybe you can try to appoint some people to filter entries for you (if you are not doing so yet)

4
3 days ago
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Gh0stu
Level: 379

imho we should have 2 steps. 1st: non digital only. 2nd: digital (optional)

1
3 days ago
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I respectfully disagree with the notion that "increasing the workload of judging tremendously" is necessary. The point of requiring additional layers of proof is to filter out entries before they reach the judging phase. Effectively shifting a lot of the workload away from Michael and onto the participants themselves.

I'd argue that, if done correctly, these additional layers wouldn't add more than a few seconds to the initial screening of each submission. They aren't meant to be highly scrutinized, their mere presence should be enough in 95% of cases.


You'd likely filter out the majority of AI submissions simply by making the process of generating all the required proof unappealing. The main draw of AI art is how easy it is to produce. By removing that convenience, you're effectively weeding out the casuals.


I personally think there's a clear choice to be made: do you make Michael's life significantly easier, at the cost of introducing more friction for participants? Or do you keep the process more inclusive and frictionless, at the cost of making Michael's job harder?


You don't need to catch everyone. Making AI submissions sufficiently inconvenient that a substantial number of people won't bother submitting them at all is good enough. The rest you can handle in the judging phase.


You can also, as mentioned by other users, potentially outsource the initial screening of submissions to trusted members of the community, but I suspect Micheal isn't too keen on that idea.


PS: If possible, I'd like to avoid making a traditional version of digital artworks a requirement. A lot of digital art is very difficult to adequately recreate in a traditional medium. There are also certain styles where the digital medium is fundamentally part of the process.

Of course, if the idea of the contest is specifically to showcase freehand art, that's totally fine. It's just that I haven't seen any indication that that's the intention. Even if that were the case, recreating a complex digital piece traditionally could take a huge amount of time and effort, even if the artist is perfectly capable of doing it.


Edit: You could even check exactly how difficult it would be to fake certain layers of evidence yourself.

11
3 days ago
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I think the most straightforward, foolproof way is to require a time lapse of the creation of the art. Obviously this isn't convenient for some artists given their medium, but it makes it incredibly clear that the art was human-made and wouldn't take long reviews for each submission, nor risk human misdetection or bandwagoning. This, to me, seems like the only way to keep review time down for Michael while providing solid evidence that the art is human-made.

6
3 days ago
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Inkheart
Level: 568

I agree, timelapses are something that AI would be hard-pressed to replicate. I don't know if all digital programs have that feature, but for those that do, it'd be relatively convenient proof to provide.

6
3 days ago
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