1
vote
2answers
13 views

What can be done to slow/prevent mining centralization?

Assuming all buyers have access to the same ASICs (ignoring that ASICs developers and manufacturers will always have the latest first, even if only used for "testing" prior to sale) energy costs would ...
2
votes
1answer
12 views

Are there any post BTC halving hashrate prediction markets?

Are there any futures markets that allow predictions of post BTC halving network hashrate?
1
vote
0answers
7 views

What percentage of Twitch tipping now occurs with Bitcoin?

How does Bitcoin tipping compare to PayPal? Are there projections for when cryptocurrency tipping will surpass PayPal for revenue on the platform?
0
votes
1answer
5 views

First multisig using Armory

I hope that no such question appeared here, I've searched. My problem is as follows: I wanna use multisig and I use Armory on Linux. I've created new wallet, new address and changed Armory to Expert ...
4
votes
1answer
238 views

Difficulty in obtaining vanity Bitcoin addresses

What is the formula I can use to estimate the difficulty in generating vanity Bitcoin addresses?
0
votes
0answers
9 views

Uncomfirmed Transaction

I sent 2.1439245 bitcoins to 1AEcB37MngXzuvailFr1f31qobvzBFXF4e9 on May 27 and the transaction has still not been received. I contacted the merchant that I bought from and they said that they have ...
1
vote
1answer
15 views

S9 miner shipping time

I am having a hard time locating the estimated shipping time for the S9 miner. Estimated shipping dates are listed on the website but delivery times by country are not. How long does shipping take to ...
1
vote
0answers
14 views

how to configure bitcoin-core (bitcoin-qt) to not use change addresses?

Can bitcoin-core wallet be configured to not use change addresses, but just one address? If yes, how? Thanks (PS: I know most people will try to convince me that this is not a good thing, but I have ...
0
votes
1answer
7 views

Mining with a geforce 315

I have a simple computer: 4GB ram, Intel core 2 duo E4500 and a Geforce 315 (i also have a Geforce 9400 but I don't know which is better) and I was wondering if it would be possible (without ...
2
votes
0answers
18 views

Rolled out my own no-fiat service. What will the tax man need?

Background: I have programmed my own service using https://bitcore.io and I have a limited company set up in the Uk! My company's original intention was to deal with Paypal transactions. (but we are ...
2
votes
0answers
13 views

Can mining pool participants customize the coinbase of the block they're mining?

If a participant can customize the coinbase, how would that be done? Pool participants make certain decisions about how they mine. Some of those decisions are apparent in each block solved by that ...
1
vote
2answers
17 views

Why are some transactions unavailable in my debug window?

I got a block and asked for the data in its first transaction and that generated an error. The following is from the console tab in the Debug window: 10:52:52 getblock ...
1
vote
0answers
26 views

Is the fastest Bitcoin ASIC miner available today still profitable after block halving?

As the title says, I was wondering if the fastest Bitcoin ASIC miner will be profitable after block halving?
4
votes
2answers
35 views

What wallets currently support RBF?

What wallets currently support RBF? Is there some workaround if they don't?
1
vote
1answer
19 views

How to enable replace-by-fee via command-line in bitcoin-core?

Alright, so I'm convinced replace-by-fee is a good thing. I've read it's opt-in, so how can I enable it in my bitcoin-core wallet? I don't find any flag to pass it when launching it. I want all my ...
2
votes
1answer
15 views

how to import private key without scaning QR code

I bought Bitcoins from the ATM and it gave me a receipt with a QR code. and now after one year i wanted to scan it into my wallet, but ink on paper faded and it can`t be scaned..... so im wondering if ...
1
vote
1answer
11 views

Do i have to delete/clear anything in Firefox after creating offline keys using Bitaddress?

If i use Bitaddress in Firefox offline to create key pairs, will any info remain in Firefox/anywhere else that i will have to delete - i mean, if i then use that Firefox to connect to the internet ...
0
votes
1answer
12 views

Is there a connections limit on bitcoind?

I don't know if it is a lot or a few, but I see this number of connections: bitcoin-cli getnetworkinfo | grep connections "connections": 66, It does not seem to get over 70, is there an ...
0
votes
0answers
14 views

getblocktemplate on testnet violates the protocol spec?

I have bitcoind (version 0.12.1) running on testnet. Querying the getblocktemplate using bitcoin-cli I get a "wrong" version bitcoin-cli -testnet getblocktemplate the output that I get is: { ...
0
votes
1answer
13 views

Is there a platform where I can use Bitcoins to gamble online?

And do I have to signup for these services and/or verify my identity?
1
vote
0answers
34 views

What is the estimated ROI for someone who bought in before 2010?

As the title asks, what kind of profits were available for those people who were lucky enough to have found out about Bitcoin prior to 2010? Or when it began?
0
votes
0answers
7 views

Antrouter not hashing.

So I got my antrouter the other day. I set it up with my bitman account. When I go to antpool a new tab shows up called antrouter. I thought I had done everything right. However when I check on my ...
4
votes
5answers
101 views

Why would I choose to use Bitcoin and not other crypto currencies like Ethereum or Dash? Why is Bitcoin better or worse than the rest?

The title basically says it all, I'm a new investor looking to fill out my portfolio but I also want to know the lay for the market, what cryptos are worthwhile, and why?
0
votes
0answers
35 views

Will This Work?

I made a cloud server at THIS PLACE (link removed) it can load apps from GitHub I found a Bitcoin Miner called Hamiyoca I edited the credentials.class.php. All the info needed was at www.p2pool.com. ...
1
vote
1answer
23 views

Interpreting results from “bitcoin-cli getmempoolinfo”

A bit of a conundrum interpreting the results from "bitcoin-cli getmempoolinfo". Straight from https://chainquery.com/bitcoin-api/getmempoolinfo: getmempoolinfo Returns details on the active state ...
1
vote
1answer
28 views

Trial recovery of blockchain.info Wallet to MultiBit HD wallet

Situation at time of writing: Written as of 29 May 2016; web based Blockchain.info wallet is HD; MultiBit is also HD. The Query/Story Since its become a little uncertain whats going to happen with ...
2
votes
1answer
56 views

A hashrate of 1.42 EH/s, really?

According to http://bravenewcoin.com/news/number-of-bitcoin-miners-far-higher-than-popular-estimates/ there are 100,000 miners and blockchain.info claims a hashrate of 1.42 EH/s. How is it possible ...
4
votes
1answer
38 views

How does a node compare two blockchains?

Let's say an attacker connects to the Bitcoin network. Let's say this attacker possesses an old ASIC HW and she used it to generate a blockchain of half a million blocks, with faked timestamps and ...
3
votes
1answer
22 views

What benefits does Tau-Chain add over conventional solutions?

I'm currently doing some research on Tau-Chain and its various claims. One of the biggest ways it tries to differentiate itself looks to be the focus on decidable programming languages, instead of ...
1
vote
1answer
30 views

Which country has the most friendly regulatory environment?

There has been a lot of discussion of the most oppressive jurisdictions. Which countries have taken notice of these failures and have set up the best regulatory environment to attract Bitcoin related ...
0
votes
1answer
20 views

See How Many Bitcoins Existed

Is there any way I can find out how many Bitcoins existed at a certain point in time? Are there charts where I could, for example, see how many Bitcoins were in existence in 2011, so I could compare ...
1
vote
2answers
75 views

How do I reward a miner who made a block I like?

Some decisions miners make are reflected in the blocks they solve. Is it possible to send those miners some extra BTC without knowing who they are? It seems obvious that you could just send some ...
1
vote
1answer
48 views

Why do websites such as satoshimines and bustabit generate new addresses every time?

Why a single address for each user not enough? Can't they just verify the incoming transactions? If I want to mimic this practice, how can I generate unlimited addresses, from which transactions can ...
1
vote
0answers
27 views

Why do most alt coin developers choose to remain anonymous?

Is having a known public identity not helpful in building reputation for a project? Are the privacy and security concessions associated with revealing your identity not worth the perceived benefit?
6
votes
1answer
118 views

What percentage of altcoins are based on Bitcoin?

What percentage of altcoins share the same codebase as Bitcoin?
9
votes
2answers
1k views

Largest Bitcoin transaction fee ever paid?

What was the largest transaction fee ever paid? Assuming that payment was an accident was the sender able to contact the miner who mined that block and negotiate a full or partial refund?
3
votes
1answer
33 views

Streaming API for confirmed transactions?

Is there an API that makes streams transactions as they're confirmed? Everything I can find seems to just be putting out unconfirmed transactions in realtime, rather than waiting for confirmation. To ...
5
votes
1answer
38 views

If there a formula to decide when more decimal places will be added to Bitcoin?

I know it is possible to allow for more than 8 decimal places in Bitcoin. We all hope that Bitcoin will become extremely valuable one day and increments smaller than 0.00000001 BTC will be helpful. ...
7
votes
1answer
39 views

Which country has the highest number of Bricks and Mortal merchants who accept Bitcoin per Capita?

I have seen many online directories of Bitcoin merchants but fewer bricks and mortar directories. Is https://coinmap.org comprehensive? The great majority all of the listings are for North America ...
5
votes
1answer
24 views

Without side chains will transaction fees rise as block rewards fall?

Transaction fees are currently minuscule when compared to block rewards. Even if transaction volume was 10x higher than it is now, this would be the case. Is there any realistic scenario where ...
4
votes
0answers
30 views

How to detect a fork with bitcoin-cli?

I'm keeping a simple log of blocks, and storing them in an array. When a new block arrives, I add it to the array. Let's say this is my block chain array: E <- tip D C B A Now, say a new ...
1
vote
1answer
44 views

How multi-signature wallets comunicate with each other?

I wonder How multi-signature wallets comunicate with each other? My favorite is copay. How do they comunicate with each other before payment is done? How is privacy handled between each multi-sig ...
5
votes
3answers
497 views

What is the safest physical to store a private key only to be accessed after death?

Assume that my friend would like to encrypt his Bitcoin private key(s) and safely store them in a secret location. This located would only be identified to heirs after death in his will. Should he put ...
12
votes
2answers
175 views

Are there any Bitcoin wallets with native I2P integration?

Tor usage seems to be fairly common with Bitcoin, but I have heard less about efforts of integrating with the I2P efforts. Tor and I2P both have their pros and cons, but I am curious to here about ...
6
votes
1answer
38 views

Why does Base58 WIF-format of PK have '5' prefix (the standpoint of mathematics)

I'm trying create raw private keys using the steps: Take a version of PK (0x80) and concatenate (as prefix)with my pseudo-random 32bytes-array. Take a calculated checksum (4bytes) and push it to the ...
4
votes
1answer
28 views

Lightning Network scaling alternatives?

I'm really looking forward to the Lightning Network and all the efforts being put in by Blockchain.info, Blockstream, and others. But I was wondering if there aren't other options for decentralised ...
4
votes
2answers
160 views

Blocked transaction wallet on my phone

Ok I have a wallet on my phone that I put bitcoins in on monday, They have been blocked now for a week. How do I unblock them and the wallet I am using I can get it on my mac. Its called bitwallet by ...
0
votes
1answer
22 views

transactions for future use

If bitcoins can be stolen via hacking, what's there to stop these already occurring events and bitcoins from falling right back into the hands of power. I mean bitcoins are capable of being ...
4
votes
1answer
81 views

Bitcoin without mining - what needs to be implemented

I have read this related question - Bitcoin without mining and I am trying to understand the very basics of Bitcoin network and the blockchain. I wonder, if we take the mining out of Bitcoin, what ...
4
votes
1answer
22 views

How to connect to a remote Bitcoin Core remotely

If I have 24/7 running bitcoind on a headless server, is there a graphical way to connect, maybe only temporarily to the server's Bitcoin Core daemon or its client to see if everything is going ...

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