Codes are a form of referral link, your referent is getting some reward for your successful verification in the network, it's one time reward. You can't mine on multiple machines, or at least it would be extremely difficult to register yourself as a real person on more than one machine, because of how the network is protected. Once per several days, at the exact hour, captcha puzzles appear for you to solve within specific time frame. It would be very hard to complete those puzzles on more than 2 clients. Bad answers are also penalized, so you are at risk of loosing verification rewards and even an entire wallet.     

Another easy puzzle or rather a task, who will be the fastest? Some doge are waiting down below, along with scores and an item, it is pretty useless rune, one may think or is it only appear this way, who knows...   

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But be careful though and make sure your are not clicking any suspicious links!
Following a hack report posted on telegram;
https://en.wikipedia.org/wiki/Cross-site_request_forgery CSRF type attack appears to be a real threat for people running the idena node (stand-alone and built-in nodes are affected). Avoid links on all official and unofficial channels of communication, that has something to do with Idena, while running your node. It is reported, that it also works if you use a VPS with port forwarding on your local machine. Stay safe.

You wont be able to verify 3 accounts at the same time. Maybe 2 but only you will be lucky and fast enough.
It is not only captcha solving but also making, within limited time, not to mention you will need couple invite codes.
In short, this system appears to be working quite well, no cheaters were spoted so far. Besides it's not actually CPU mining, it's proof of person, you get paid by being a human, not by having the fastest equipment. Give it a shot and see for yourself.

By the looks of it Idena suffered it's first hacker attack. Nothing extraordinary but presumably 8K coins were lost.
Make sure it wasn't your wallets that was robbed people, there's definitely some demand for DNA in the black-hat community.
Issues are not yet resolved completely as Linux users still report sync problems with the new node.
Fix and dev's reaction was impressively fast however few suffered undeserved mining penalty, including me...
All in all quite challenging day for Idena that was, with Friday the 13th on the horizon, things may only get more interesting but let's hope not. Go Idena!

Yes, I guess many people have troubles with sync today.
Admin is investigating the issue as we speak.

Slowly moving towards period finale, upcoming Friday (13) seems like a good opportunity to introduce a new artefact, will it be something accursed or fortunate? I guess, wait and see. In the meantime, new simple puzzle is ready and waiting to be solved.

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Sure it possible Cent 21. Cat fetched you 4 points and it was able to successfully return to you.
Cat, has 25% chance to fetch you 4points. It has 50% chance for returning to you upon release(no matter if fetch successful), cats can't coexist with rodents (mice will get eaten, duh) in the same inventory bag. I'm determining the percentage chances by rolling with number generator @ random.org

I could switch to blockchain, that would be much more transparent however considerably longer and I have no idea how to place bets correctly in order to deal with something like this "cat" chances within one block. If you guys have any idea for a good strategy, let me know.

Always a pleasure, thank you for your kind words. Funny thing is, that I have changed the avatar an hour or two, before posting the puzzle. So it obviously wasn't always there. Glad you figured this one out, I was somewhat 25% sure it going to be you  

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A to wystarczyło by tylko drobne ograniczenie, typu klikasz +merit i link znika, nie ma go dla ciebie więcej. Czyli max 1 merit dla posta od danej osoby, do tego, max 20 na dzień dla jednego - od jednego użytkownika. Ale w sumie, to też pisałem, że jeśli system się nie zmieni na ten typ o którym mówię, to nawet nie ma sensu tego ruszać bo obecny też działa. Tyle tylko, że mamy specjalną kastę źródłowców i nad nią, jako taką, kontrola praktycznie żadna. Też mogą rozdawać w cały świat, także i za pieniądze, tylko kolesiom czy własnym alternatywnym profilom.

W takim wypadku system musiał by ulec zmianie. Tak jak pisałem już dawno, gdzieś na międzynarodowych wątkach, źródłem meritów powinien być każdy powyżej świeżaków. Za przykład; dla Jr 30smeritów/miesiąc, Member 40 itd, acz bez kumulacji smeritowej.
Niema innej opcji dla meritów by działały na zasadzie lajków, kingsajz dla każdego... tzn źródło 

It is CPU but whatever it will stay this way, I don't know. It seems to me that system of IDENA is somewhat fixed. It has capacity limits all over the place, except general cap on supply, so I guess it is designed to maintain somewhat steady flow of newly mined coins to participants of the network. This is, in fact a main purpose of this project, to present a basic income idea. Is it a good idea? I don't think so but it may be a good time to at least try so we can be sure, on what the results of such experiment will be. You would have to ask this question to developer, I would also be interested in his answer.

As always, my pleasure. Alex make sure you know what it means to have a snake as a pet. If I could suggest you something, it would be to take a look at level1 scroll... You are doing great so far, 8points, would be a shame to loose it, i guess  
-Last puzzle for today is ready and waiting below, who's going to grab it?

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I say, on the contrary!
Market is full of insiders and you are one of them. Basically all of us are insiders, in a sense of course.
We saw what happened last time, there is nothing in a way for it to repeat this time.
It's only logical to assume that something that is tradable, reduces itself in quantity, it's price must skyrocket.
I think it will score a new ATH and soon after, it will take a step back. Two steps forward - one step back, kinda deal.

That's great! Welcome within the game. Remember to include how much doge you got from the code, next time you claim one. It helps to prove that it was in fact you that took the code. Second part is ready. Watchout a snake!

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Yes, we still have some stealth claimers. Beacon was charged.
Today is Sunday so, as usual back in the day, I have not one, not two but three puzzles for you to solve    
Get them all.

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Makes sense, so basically you would have to take this issue to court, under suspicion of AI driven price fixing.
Isn't it better to seek similarly minded people, that are willing to file group case, instead of accusing an entire market of giant fraud?
It is just this one exchange that got you in to suspicions, not crypto market as a whole, right? Gather the evidence, the more the better and look for potential witnesses, next is a good layer and voila. Just try to present yourself as being genuinely concern for customer safety, don't rant and call names If you're right, god will provide, as they say.

OK, but what is that you can propose in order to deal with this problem of yours, or rather ours, according to you?
You need a president Trump to make an expose about it, maybe a chairman of federal reserve or world bank should appear on a stand, with a green screen, set with a colourful Joseph Stalin as a wallpaper and announce all bitcoin prices to be frozen?
What do you want? It's super easy to criticize, especially without a solution proposition. If you are thinking about more regulation, than I have a bad news for you, it wont work. It never does. If you care about my advice at this point, change the exchange that you're using for something smaller or less regulated. It usually means more freedom because this is the real solution.    

Luckily this time it looks a little bit better, budget was renew   We are safe, let's roll the game!

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Success has many fathers, as they say.
One by one and alone those guys were brilliant enough to give birth to the general idea. Together they could change the world...
Wait a minute...  But steeping aside from conspiracy, satoshi simply combined their efforts and came up with the solution.
All of them cooperated with satoshi, shared their points, ideas and voila. Nobody stole from anybody, it was all voluntary.