Unanswered Questions

14
votes
0answers
764 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 ...
10
votes
0answers
366 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
403 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 ...
5
votes
0answers
334 views

Law / country specifics to start Ripple Gateway

There is requirement in https://ripple.com/wiki/Gateway_Integration_Manual Gateways should comply with the BSA, have AML policies and require KYC information. As i understand this requirements can be ...
3
votes
0answers
20 views

Provable Solvency Implementations

Is there a list of provable solvency implementations? It appears to be that each company is taking their own unique swing at the problem. This strikes me as an area that could benefit from ...
3
votes
0answers
63 views

What could be the reason for one loop being significantly more power hungry on an SP20?

One of the loops on my Spondoolies SP20 is misbehaving. I underclocked everything but this loop (number 4) does not seem to care what settings I make. It seems to be running at twice the speed (and ...
3
votes
0answers
98 views

GPU mining strategies (algorithm)

I am currently in the process of creating a fairly simple bitcoin miner for CPU and GPU (for demonstration purposes not for money earning). However I am having a little troubling understanding how ...
3
votes
2answers
100 views

Getting historic exchange data through an API

I'm trying my hands on a trading bot, but I need a website to pull trade data for min. the last 3 days. This can be from any major exchange. Eg. the exact same as this: ...
3
votes
0answers
105 views

Is there a way to specify an invoice ID in Ripple URI?

In Ripple payment transactions we can specify an invoice ID that is used to make payments for a particular invoice. Is there a way to specify such an invoice ID in Ripple's URI scheme?
3
votes
0answers
73 views

How did short positions work on Bitcoinica?

I'm trying to find information on CFDs and exactly how Zhou Tong utilized them to short, but am coming up dry.
3
votes
0answers
288 views

Bitcoin Client - How do I find the destination address of an incoming transaction?

I'm mining Bitcoins and have multiple incoming addresses in my bitcoin-qt wallet. When I get a payout for mining in the "Transactions" tab it shows the amount of BTC I received and the type is set ...
3
votes
0answers
270 views

Vanity Mining Error?

Well after getting a new graphics card (7770) I can mine bitcoins at around 120 - 180 Mhash/s Depending if I run it at full power or not. Now I thought I would try and mine myself an address using it ...
2
votes
0answers
18 views

getblocktemplate times out after being called many times

I am writing a program about bitcoin mining. It calls the RPC method getblocktemplate every second. Sometimes bitcoind doesn't reply to my RPC getblocktemplate request, but bitcoind still accepted new ...
2
votes
0answers
31 views

What restrictions does merged mining place on the sidechain?

What restrictions are imposed by merged mining on the structure or functionality of a side chain (besides it having to use the same PoW schema)? For example, could the side chain have a higher block ...
2
votes
0answers
52 views

When ASICs generate a share, is it always at difficulty 1?

Are they preset to only return difficulty 1 shares when the find a nonce? Then mining software verifies if it meets current target difficulty? Or, if given a different target difficulty, will the ...

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