All Questions

0
votes
3answers
8 views

Who has this many BTC?

http://blockchain.info/address/1VayNert3x1KzbpzMGt2qdqrAThiRovi8 I don't understand who could possibly have this many BTC.
4
votes
3answers
71 views

Will transaction fees eventually make microtransactions not worthwhile?

It seems that one of the strengths of Bitcoin is the ability to send tiny amounts across the globe. If we keep thinking in USD or EUR, we'll wipe out micro transactions altogether (less than 100 ...
3
votes
2answers
51 views

What if ISP's block port 8332?

Hypothetically, if it were a well coordinated NSA-type shut down and ALL ISP's suddenly blocked port 8332 (major ones anyway), how would the Bitcoin system immediately handle it?
2
votes
2answers
25 views

what is the relationship between the blockchain size and the transaction volume on the network?

I'm thinking about the scalability of the system with regard to the transaction volume. Is it possible to predict future blockchain size for a certain future transaction volume? Is the relationship ...
2
votes
1answer
27 views

Diablo Miner on OSX Lion

I downloaded DiabloMiner and got it to run by: Using the options: -v2 -w256 -na Increase the Java heap size by editing the DiabloMinder-OSX.sh file: -Xmx384m And I am getting around 60-70mhash/sec ...
3
votes
1answer
72 views

How exactly does short selling with Bitcoins work?

Bitcoinica does (or did) offer short selling, but the question is how? If I fund my account with 100 BTC and I want to short BTC, can I do that, or do I need USD to do that?
1
vote
2answers
142 views

Has someone compared the cost of mining vs. that of brute-forcing addresses?

It is known that the type of computing power required for mining is the same used to generate addresses, and it is known that "in general" it is much more profitable to simply mine, rather than try to ...
0
votes
0answers
17 views

Trouble compiling bitcoind on OSX with homebrew

I've read the README on the bitcoin github page which instructs you to install the following libraries using MacPorts - boost db48 dbus openssl. I have these installed using homebrew which I use ...
1
vote
1answer
39 views

Public key with 142 characters?

I've read that public keys that bitcoin uses have 130 characters (65 bytes), but on the page: http://blockexplorer.com/tx/7e9bf03454b9ff80974d39d02a8088154e60ee65726e239f70341366d1a1ccf7 I've found a ...
2
votes
2answers
62 views

Why can't I connect to bitcoind on localhost?

The initial question asked was as follows, but it turned out to be nothing to do with keypools: I had keypool=1000 before. Now I started bitcoind (the daemon version) with keypool=10000 option, ...
4
votes
2answers
73 views

Multibit vs Electrum - which is more mature and secure?

I'm having a hard time finding objective reviews / comparisons of these two 'lite' clients. Can someone who tried them both give some comments? Thanks
4
votes
2answers
102 views

Why can we have small fractions of a Bitcoin?

I didn't studied the inner workings of Bitcoin (yet), but already since when I just started using it, I wondered why a Bitcoin can be split up in parts. Because there is a limit on the amount of ...
1
vote
2answers
31 views

Bitcoin client only has 1 connection?

I have had bitcoin for a little bit now. It has been going very smoothly. I have set up 3 accounts for various activities, privacy, and security reasons. I now can not get all of the block chain. ...
2
votes
2answers
88 views

What is the best way to recover from an accidental double-spend?

Came across an issue where I was given the message: "Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of ...
2
votes
1answer
28 views

How can I run Bitcoin-QT client behind a restrictive firewall using a putty tunnel?

I am on Windows machine on a network that is closed for all incoming packets and outgoing packets only work for port 80. In the network I have access to a Linux via SSH that is open for in and out ...
3
votes
2answers
248 views

Can I convert BTC to USD without a bank account?

Just asking. Say, I want to switch BTC to USD inside Steam Wallet. Is it possible?
2
votes
1answer
99 views

How do I legally set up an exchange?

I'm asking about legal concerns, not technological ones. If I'm based in the USA, should the exchange be a US company? If not, where should it be based? How is banking set up?
3
votes
2answers
139 views

Namecoin: is there any rationale behind the (apparently foolish) choice of having the domains cost an irrelevant price?

When I first heard of namecoin an address costed 50 NMC, now they are priced 0.01 NMC. This means they are as much as free, and the only thing preventing someone from just brute-force registering ...
1
vote
0answers
46 views

What are the most notable cases of coins or wallet thefts?

What are the most notable cases of coins or wallets being stolen from Bitcoin users or services? When did they occur, how many coins were stolen and has any of the thieves been identified?
3
votes
1answer
85 views

How do i move a client/wallet to a different machine?

I have a client/wallet on a work machine of which i cannot control the proxy and allow the client to sync proper. Before i knew this however, i sent coins to the wallet. Now, i need to be able to ...
1
vote
1answer
61 views

How do mining pools protect their wallets?

Since Slush took quite a hit due to the hacked Linode servers, I'm wondering how do mining pools protect their wallets from theft of file and theft of private keys in those files?
5
votes
1answer
145 views

What is the story behind the “Linode problem”?

What is the story behind the "Linode problem"? How did the service become compromised and what has exactly happened because of it?
2
votes
1answer
55 views

What stops someone from faking a rating on OTC web of trust?

What mechanisms does OTC web of trust have against someone creating several accounts and trading between with themselves over a period of time, giving each other perfect ratings.
5
votes
1answer
67 views

What is the P2Pool?

As I was checking this SE, it doesn't appear this important question has been asked: What is the P2Pool? How does differ from the traditional approach and what does it offer its users?
4
votes
1answer
88 views

Relative performance of various mining software?

Has any measured the relative performance of various mining software? I figure such a study would be very beneficial for all the miners to choose the most optimal software out there to squeeze out the ...
3
votes
1answer
41 views

Which mining pools use custom mining software?

Which mining pools use custom mining software? Do those pools require the users to use their software, or just encourage their users?
4
votes
1answer
61 views

How do mining pools figure out the hashing speed of the connected miners?

How do mining pools figure out the hashing speed of the miners connected to it?
2
votes
1answer
45 views

Is there a list of mining pools' Bitcoin nodes IPs?

Is there a list containing the IPs of Bitcoin nodes owned by various mining pools?
2
votes
0answers
34 views

Does any pool accept higher-fee transactions of a double spend, instead of the earlier one?

Some pools use a modified bitcoind that uses different rules for choosing the transactions to include in a block. Are there any pools that knowing one transaction to be included in a block would ...
3
votes
2answers
94 views

Is there a forum-like exchange for trading Bitcoins person-to-person?

I was to trade Bitcoins for PayPal quite frequently and I know that PayPal doesn't allow Bitcoin exchanges to accept PayPal payments. But there should exist a person-to-person trading site that works ...
1
vote
1answer
25 views

Any multi-currency accounting ledger that lets me use BTC?

Are there any online or open source (i.e., free, or at least cheap) accounting systems that do multi-currency so that I can record revenues and payments made using BTCs in the same system that I use ...
3
votes
1answer
68 views

Can an SHA256 hash be used as an ECDSA private key?

Is it possible to map a pass-phrase directly to a Bitcoin private key by using its SHA256 hash? I remember reading somewhere that not all 256 bit values are valid ECDSA private keys. If so, how can I ...
4
votes
2answers
123 views

Pool mining through the TOR network?

Is it possible to mine Bitcoins at a pool through the TOR network? If so, how would one configure the appropriate tools?
5
votes
1answer
46 views

How to do precise accounting with bitcoind?

I'm considering making a service that would be handling user deposits in Bitcoins through a server running bitcoind. Upon purchasing something through the service, I want to withdraw the precise ...
4
votes
2answers
183 views

turn OFF coin generation

I just recently upgraded from Bitcoin client 0.3.? to 0.6.1-beta for Mac. In the old version I had the option of generating coins; I don't see that option here. Activity Monitor shows Bitcoin-Qt ...
0
votes
0answers
24 views

Will BAMT work with 2 5850's and 1 7970?

I've tried like crazy.. posted all over the forums. SE is my last refuge. Is it possible to get BAMT working properly with 5850's and 7970's?
4
votes
1answer
80 views

Why are Bitcoin addresses hashes of public keys?

Currently, Bitcoin addresses and their checksums are constructed from the public key by a using repeated hashing with SHA256 and RIPEMD160. Now I understand the reasoning behind using hashing for ...
3
votes
1answer
41 views

Is there a way to set the aggression for the OS X Diablo Minor?

I run the OS X Diablo Minor on my new Macbook. It seems to work well enough and it earns me a few bit-cents each day. The only problem is that I have to cut it off whenever I'm working on the Mac, ...
7
votes
2answers
139 views

Formal security analysis of Bitcoin

I was wondering if there is any in depth (with formal theorems) analysis of the security of the Bitcoin system. The analysis in the original paper by Nakamoto is quite empirical and not that formal. ...
2
votes
2answers
81 views

Can I remove the passphrase from my Bitcoin Wallet?

I'm using the standard Mac Bitcoin client and I added a passphrase. I'd like to remove that passphrase. Is that possible?
-3
votes
2answers
93 views

create a node, issue new money

I represent an organization that belong to a network of not for profit organizations placed all around the world. We have a centralised office which register internal transactions between members. ...
2
votes
1answer
87 views

What is the highest recorded difficulty in the main net?

What is the highest recorded difficulty in the main net and which blocks was it used for?
2
votes
5answers
196 views

What article started the Bitcoin bubble?

As I heard the Bitcoin bubble started around April 2011 due to an article on Bitcoin in some news website. What article started the Bitcoin bubble?
1
vote
2answers
86 views

When was the first GPU miner made available publicly?

The GPU miners are widely used nowadays, but that wasn't always the case. When was the first GPU mining software made available publicly?
-2
votes
2answers
47 views

Which Bitcoin-related services are certified secure by external parties?

There are a number of Bitcoin-related websites that offer services related to handling sensitive user information (like eWallets holding onto our private keys), but not many of them are certified by a ...
-1
votes
1answer
89 views

Can I invest in GLBSE on GLBSE?

With the new design it's starting to take off. I want in on GLBSE itself, is this possible or are there any plans for it to happen?
2
votes
1answer
60 views

Is there a guaranteed hash for every block? [closed]

Possible Duplicate: Nonce size - Will it always be big enough? My question may be misphrased, if so, I'll correct it if you let me know in the comments. My understanding of mining is that ...
1
vote
4answers
85 views

Will transaction time speed up as the network size increases?

Right now it takes 6 confirmations, which takes about an hour to verify a transaction. Will this speed up in time?
0
votes
0answers
31 views

Looking for a better way of listing all my peers

I am looking for a cheap and efficient way (rather than hacking through the Bitcoin source code) of listing my peers. Something I have come up with: #!/bin/bash netstat -p tcp -nba | grep ...
2
votes
1answer
55 views

How does one make multisignature transactions with the bitcoin client?

With the release of bitcoin version 0.6.1rc2, it is now possible to do M-of-N required signature transactions in the main network. But how does one actually perform such a transaction? I've been ...

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