My great bitcoin adventure: 6 months, 5 exchanges

Bitcoin's open source foundation is sound, but Bitstamp, CEX.IO, Coinbase, Kraken, Mt. Gox exchanges are uneven at best

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By contrast, Coinbase were easy to approach, easy to set up, and able to rapidly send payments for my bitcoin sales to both a U.S. and a European bank account. Coinbase was not only problem-free, but its customer service was both efficient and respectful -- a rare combination among exchanges. I was able to use Coinbase to trade bitcoin into dollars without problems. I expect to use Coinbase again as a way to handle bitcoin donations for the various nonprofits I support.

Unlike Coinbase, Bitstamp and CEX.IO faced many questions from me. Fortunately, their customer service teams were highly responsive and expert, if prone to suffering fools badly.

CEX.IO allows you to buy shares in bitcoin miners -- which it calls GHashes -- then have the newly mined bitcoins and namecoins credited to your account as they emerge. But the value of the GHashes has proved unstable, tumbling dramatically when mining difficulty rises, and any substantial investment you make there needs to be watched carefully -- and preemptively converted back to bitcoins ahead of any increases in difficulty. If you don't do this, the loss you make on mining shares will far outweigh the profits you make from mining crypto currency.

You'd never be able to discover this for yourself, because CEX.IO provides only one month (maximum) of price history. Right now you can see the price of GHashes has been falling, but you can't see the way it crumbled by half overnight back in February. The main issue I have with CEX.IO -- indeed, with all of the services I contacted -- is the lack of visibility into the processes, software, and dynamics of the service coupled with a hostility to anyone who dares ask questions. I'm still using the service, but every day is an adventure.

This is the aspect of bitcoin that needs attention. The algorithm published by Satoshi Nakamoto in 2009 is open to scrutiny and criticism and is standing the test of those many eyes, as is the open source reference implementation of it found in bitcoin-Qt. The twin forces of transparency and open source seem to be serving bitcoin well. It still has much potential both in itself and as an example of a distributed, peer-authenticated ledger. This concept is the real innovation.

But the exchanges and ancillary services are a different matter. They are all proprietary and run by supergeeks, usually with covert ownership and operations and often exhibiting hostility to enquiries. Their business operations often seem slapdash and amateur, no doubt reflecting a lack of respect by their founders for seasoned businesspeople. They are ripe for hacking, and their lack of business rigor and operational transparency means the first anyone -- perhaps even they -- know about a flaw is when it's too late to fix.

Bitcoin has plenty of life in it, and the bright daylight of open specifications and open source is probably the best regulation it can get. But the exchanges? They need to get their act together and build user trust through transparency and business rigor.

This article, "My great bitcoin adventure: 6 months, 5 exchanges," was originally published at Read more of the Open Sources blog and follow the latest developments in open source at For the latest business technology news, follow on Twitter.

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