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222
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Other / Archival / Re: .
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on: January 08, 2017, 12:22:04 AM
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Interested in the replica and will be watching. If the same user doesn't win both coins will the replica be sold separately?  The replicas go for 3-5$ on aliexpress or alibaba. I could get you some if interest is high enough. |
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226
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Local / Biete / Re: [B]&[S] 100 BITCOINs - COINTED GmbH - IHR zuverlässigster KRYPTO Händler
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on: January 07, 2017, 12:51:05 PM
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ACHTUNG:!!!
Unter vertrauenswürdig verstehe ich hier ganz was anderes. Habe sehr viele erfolgreiche und reibungslose Trades mit denen gehabt, jedoch haben sie jetzt ein Gebührensystem, was mich Vertrauenswürdigkeit zweifelt.
Vor einigen Wochen/Monaten wurde uns eine Gebühr über den Kraken oder anderen Marktkurs geboten, natürlich akzeptabel. Vor kurzem jedoch nehmen Sie den nur mehr den Kurs von ihrer Website, welcher schon um die 1% über Marktpreis liegt(!!!), plus die vereinbarte Gebühr. Das erklärt auch wahrscheinlich warum man auf der Website nur mehr bitcoins kaufen kann anstatt verkaufen oder kaufen, denn vorher war der Preis 1:1 mit dem Marktkurs. (Mehrere Auszeichnungen auf archive.org)
Viele erfolgreiche und faire Trades, jedoch haben sie sich mit dem Vertrauen verspielt.
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240
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Economy / Collectibles / Re: [Serious] How long does the paper in a casascius stay legible?
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on: January 03, 2017, 11:30:34 PM
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What type of printing gives the longest shelf-life and under what conditions can this be achieved??
Engraving directly onto metal seems to work pretty good under any condition. You just have to make sure that the engraved keys are not visible under X-Ray or some other technologie I didn't think of though. There are much cheaper ways to compromise the key on a physical Bitcoin. Tamper-evident holograms only keep honest people honest. http://www.coindesk.com/defcon-hackers-crack-physical-bitcoin-casascius-coins/Huh. Really makes you think, why would I want another possible way to get my bitcoins hacked? A physical hack would be a lot cheaper and could go undetected for a while. Let's say I bought a 25BTC coin, opened it up with their method and recirculated it by selling it. After a few years and a few different owners I could sweep the address and no one would know for sure who did it. That's just terrifying!! Back on topic though, you'd have to find out exactly what make/model of printer he used to print the private keys. From their you could find out from the manufacturers website or google how long they would actually last. That's why you should ways check the address on the coin via uberbills or the blockchain. Unless they replace the publickey with another existing 25btc key, which will get unnoticed until the original owner of the coin with that specific public key finds out. |
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