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Author Topic: 4coin: Anonymity with trust!  (Read 1899 times)
Ryland R. Taylor-Almanza
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January 03, 2012, 02:42:10 AM
 #1

I had this idea, and decided to make it. I'm not an expert in cryptography, so please tell me if there's a flaw in my logic. If not, feel free to try this out at 4coin.co.nr. Here's the text from the about page:

Quote
4Coin may sound like 4chan, but it isn't really an image board. It's closer to an anonymous forum. But, there's one thing that makes this forum different from other anonymous forums/image boards. This forum uses Bitcoin keys to sign and verify messages client side, so that you can trust that you're talking to the person with the corresponding Bitcoin address. All you have to do is enter your private key (Sipa, Hex, or Base64 format) into the text box labled "Private Key," enter a topic (if you're creating a thread,) and message, click the "Sign Message" button, and then click the "Post" button. Then, your thread or reply will be posted, and people can see whether your message is successfully verified by your public key or not. Your private key is never shared with the server! When you click "Sign Message," your private key is used to sign the message, and find your public key. Then when you click "Post," the only data that is sent to the server is your topic, (if you are creating a thread,) your message, your public key, and the signature. When people view your thread or reply, the page uses your public key and signature to verify the message. If the message is successfully verified, an image will appear at the bottom of your post saying "Verified." If not, you'll get a big fat "Nope!" Messages are parsed using Markdown syntax. If you don't have a private key and Bitcoin address, or you don't know how to get the private key from your Bitcoin address, you can get a new private key and address at:

bitaddress.org

The site uses bitcoinjs-lib to sign and verify messages on the client side. The original idea was to verify messages on the server side, so only verified messages would get through, but I had some trouble, so now messages are verified client side too.
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Mushroomized
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January 03, 2012, 07:08:52 PM
 #2

This is silly
in a good way

Pre Announcement for the Vulcanalia Mint! https://bitcointalk.org/index.php?topic=1645665
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Ryland R. Taylor-Almanza
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January 03, 2012, 11:02:41 PM
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Had to reset the database due to a stupid mistake on my part. Actually, I didn't really have to reset it, but it was the fastest way, and there was so few posts that it didn't really matter anyways.
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January 04, 2012, 06:04:33 PM
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You guys are missing out on all the fun

Pre Announcement for the Vulcanalia Mint! https://bitcointalk.org/index.php?topic=1645665
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Kluge
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January 04, 2012, 06:19:45 PM
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Hm. Speaking about not being a cryptography expert... could BTC rival PGP?

Don't mix your coins someone said isn't legal
Ryland R. Taylor-Almanza
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January 04, 2012, 06:23:57 PM
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Hm. Speaking about not being a cryptography expert... could BTC rival PGP?
That's what I'm wondering! And that's the question that led me to create this site.
Matthew N. Wright
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January 04, 2012, 06:27:24 PM
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All I can say really is that it's good to see people in the community doing something, regardless of what it is.

Ryland R. Taylor-Almanza
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January 04, 2012, 07:55:41 PM
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I like how it's just me and the artist (Mushroomized) talking to each other on 4coin. Someone else post something! Maybe I should do some sort of promotion or something...
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January 04, 2012, 07:55:49 PM
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All I can say really is that it's good to see people in the community doing something, regardless of what it is.
I'm laughing more than I should be right now

Pre Announcement for the Vulcanalia Mint! https://bitcointalk.org/index.php?topic=1645665
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Ryland R. Taylor-Almanza
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January 04, 2012, 07:57:41 PM
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11:56 AM - Mush: Our advertising for 4coin should be
11:57 AM - Mush: "Want to voice your mind without becoming the next atlas, and also remain secure?"
Ryland R. Taylor-Almanza
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January 04, 2012, 08:43:18 PM
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Need some input. 4coin uses markdown for formatting right now, but I don't have my heart set on it. What would you guys like to see? Should it be more like an image board, where there's no formatting except for green text and you can upload images? Should we keep markdown? Or something else?
Matthew N. Wright
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January 04, 2012, 08:53:51 PM
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Are you trying to start yet another anonymous forum?

You know that 4chan also has an anonymous text-only board right?

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January 04, 2012, 09:10:23 PM
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Are you trying to start yet another anonymous forum?

You know that 4chan also has an anonymous text-only board right?
Yeah, but this one has bitcoins! Or something!

Pre Announcement for the Vulcanalia Mint! https://bitcointalk.org/index.php?topic=1645665
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