Unanswered Questions

12
votes
1answer
626 views

Was a timejacking attack ever performed?

The timejacking attack appears to be a pretty straightforward attack to pull off successfully. I was wondering, whether it was ever performed and documented somewhere, or was it just theoretically ...
9
votes
0answers
318 views

Peergroup download of the blockchain stalls?

I'm using bitcoinsharp to build my client. I try to download the blockchain in a peergroup network. Download starts, but when progress is 98%, the download is stopped & the client is waiting (2 ...
8
votes
0answers
582 views

Has anyone ported the Bitcoin software to “pure” Clojure?

Has there been any attempt to rewrite Bitcoin in Clojure? I know about BitcoinJ, so I imagine that should be easy to port. But what about a "pure" version? Without calling Java directly? Easily ...
8
votes
0answers
332 views

Is there a good tutorial on how to use bitcoinjs exit nodes?

The documentation that I found seems to contain info about specific API calls, but no top level explaination/example. Where can I find a practical concise example of using exit nodes? I'd like to ...
8
votes
1answer
204 views

Mediated transfer of funds between three parties

Alice wants Bob to transfer 10btc to Carol, and is willing to pay Bob 11btc for the transfer. They both entrust Trent to mediate the transaction, and Alice is willing to pay Trent 1btc as commission. ...
6
votes
1answer
1k views

Backtesting mtgox for historical trade analysis?

I want to test out a few trading ideas for bitcoin. It seems to work on a small time horizon, and I'd like to backtest the past year or so of MtGox data. Is there a service that provides this? If not, ...
6
votes
1answer
830 views

Setting up BAMT root access

The official BAMT faq says "never use sudo. never never, always log in as root. [emphasis in original]". Is this a BAMT-specific issue, a more general issue with sudo that I should ask about on Super ...
5
votes
2answers
112 views

How did transaction malleability/DDOS attacks allow an exchange's internal accounting system to get “out of sync”?

This Coindesk article says that: “So as transactions are being created, malformed/parallel transactions are also being created so as to create a fog of confusion over the entire network, which ...
4
votes
0answers
58 views

Could the BGP attack be used to split the Bitcoin network?

I just learnt about the BGP attack: http://www.wired.com/2014/08/isp-bitcoin-theft/ http://www.secureworks.com/cyber-threat-intelligence/threats/bgp-hijacking-for-cryptocurrency-profit/ The ...
4
votes
1answer
171 views

What actually happens in a basic DAO in ethereum?

I've had a look at the white paper but I fail to understand exactly what is happening on the code shown on the page. As far as I understand this example manages shareholders. But, is it possible to ...
4
votes
0answers
98 views

Retrieving all the funds from BIP32 derived wallets

An ecommerce site is using BIP32 wallets for receiving order payments from a tree of child keys where each leaf node is unique to one purchase transaction. Is it common for the site to immediately ...
4
votes
2answers
116 views

BIP0016 pay-to-scripthash transaction validation

BIP0016 says "Validation fails if there are any operations other than "push data" operations in the scriptSig". What does it mean "push data operations"? OP_CHECKMULTISIG seems to be allowed but does ...
4
votes
0answers
126 views

How do I empty the memory pool?

I have some transactions pending in the memory pool, how do I empty the memory pool without restarting bitcoind ? I would like the transactions to be cancelled also.
4
votes
3answers
161 views

What is the most reliable way to calculate the amount of fiat value that has been transferred into the bitcoin economy?

I would like to know what are the most sophisticated ways to estimate the amount of bitcoin that has been bought globally with various fiat currencies. Exchange data is only one source, and may well ...
4
votes
1answer
224 views

How can I execute a 3-way escrow with 1 unknown party?

Good Evening- I'm trying to execute an unusual 3-way transaction, where in one of the parties is not known at the start. PartyA would initiate the transaction, and provide funding. My thought was ...

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