0
votes
0answers
5 views

Bitcoin transaction unconfirmed for several days even though transaction fee was included

Sorry, Bitcoin n00b here. Just wondering why this transaction is unconfirmed (has been about three days now) https://blockchain.info/tx/...
0
votes
0answers
5 views

Electrum setup problem

I was trying to install electrum, and for some reason, I wanted to see what multisig wallet was, and now I'm stuck on the master public keys window, I can't cancel and select standard wallet. Every ...
-2
votes
0answers
7 views

how to spend double the normal liquidity [on hold]

My blockchain be spending double that liquidity does not currently as always, it is up lines An outpoint is already spent in [ DBBitcoinTx { txIndex = 156842103 , ip = 2130706433 , time = 1466676067 , ...
0
votes
0answers
9 views

Need help on Unconfirmed transaction [duplicate]

I have moved btc between wallets in blockchain, and i gave less fees unknowingly without knowing the block size. https://blockchain.info/tx/...
-1
votes
0answers
11 views

Unlock my IP address :Freebitco.in [on hold]

I have been rigorously working with Freebitco.in to claim my bits but all of sudden I receive this message on my dashboard which says: Sorry, this IP address has been blocked. If you are using a ...
4
votes
2answers
25 views

How do transactions leave the memory pool?

How does my bitcoin core client know when to drop a transaction from the memory pool? Is it as simple as a specific period of time?
1
vote
0answers
9 views

Bitcoin Widgets & API

can anyone recommend the best api/widget for getting Bitcoin, Crypto Currency Charts, Currency Convert and tickers?
4
votes
1answer
28 views

Were there any Bitcoin based prediction markets for the Brexit referendum?

Were the are Bitcoin based prediction markets for the Brexit referendum? If yes, how did the prediction market fare compared to recent public polling data versus the actual referendum results? Are ...
5
votes
1answer
65 views

How do I use the new GPG signing feature with my Trezor?

I read here that with the new firmware, a trezor can be used to generate GPG signatures. How does that work? Is there a tutorial? I didn't see anything on the satoshi labs website.
1
vote
0answers
29 views

Bitcoin protocol: How do I build my block to get the newly generated coins? [duplicate]

I am writing a software to mine bitcoins (in golang) as part of a college project. I'd like to know how is it that I build a block (which would potentially get appended to the end of the block chain) ...
1
vote
0answers
24 views

bitcoin protocol: transaction encoding

I am writing a program (in golang) to mine bitcoins. Supposing I have this dummy transaction, how may I encode it so it can be used in the block im trying to mine? Also, supposing I have a block ...
5
votes
1answer
48 views

What is Ardor and how is it different from NXT 1.x?

Ardor was recently announced as the successor to NXT 1.0 with backwards compatibility to NXT 1.x . How is it different from NXT v1.x?
2
votes
1answer
241 views

When no Bitcoins are left to be mined, how will the Blockchain continue to be validated? [duplicate]

Sorry, this may be noobily phrased. My understanding was that each individual "miner" crosschecks and validates the overall blockchain, ensuring decentralized verification of the bitcoin transactions. ...
-1
votes
0answers
18 views

Who will be the one to declare the current price equivalent of Bitcoin? [duplicate]

I know the basic of bitcoin concept in fact I am the user of small amount of bitcoin. I know that Bitcoin price is determined by supply and demand. When demand for bitcoins increases, the price ...
3
votes
0answers
13 views

Recovering wallet using BIP32/wordlist/.priv file

I was using Msigna but its having issues connecting to the localhost (Running updated bitcoinqt). I sent coins to my old account without waiting for sync (noob move) but now I'm unable to access the ...
2
votes
0answers
46 views

My Transactions hasn't been confirmed for 2days+

I am new to btc. 2 Day ago, i sent some btc and it hasn't been confirmed yet. I have learned that it s because of low fee. 1. Should I be worried about this ? 2. I googled and see that pywallet would ...
-3
votes
3answers
54 views

What should my friend do with his 4,523 BTC? [on hold]

My friend has 4,523 BTC. He asked me what he should do with that large amount??!! Is is better to exchange it to Ether? or keeps it in BTC? What is your opinion?
3
votes
1answer
29 views

Stop bitcoin-qt from retrying transaction

I sent some bitcoins, forgot to uncheck "no-fee" checkbox. The transaction started, but never got confirmed. In the blockchain after some time it was "purged". I expected my bitcoins back, however, ...
0
votes
2answers
29 views

Pay, or partial pay in Bitcoin

If I wanted to be paid or partially paid in Bitcoin, but my employer is not participating, is there a secure online service where I could authorize all or a portion of my pay to be sent and converted ...
9
votes
1answer
45 views

How many more transactions per second will be possible with SegWit?

On a percentage basis compared to the current theoretical limit how many more transactions per second will be possible after SegWit? Will the answer to number 1 scale linearly with block size ...
4
votes
1answer
22 views

MultiBit Classic wallet gone

I formated my computer yesterday, and my MultiBit Classic wallets are gone. I just tried a trial software to recover the files, and they appeared as found. But I cannot recover unless I buy the full ...
2
votes
1answer
24 views

How to get Mutlibit Hd private keys from mnemonic

I'm trying to use this tool: https://dcpos.github.io/bip39/ but none of the addresses match. I would really appreciate some help.
0
votes
1answer
37 views

Own bitcoin pool miner algorithm

I receive from mining pool next variables: job_id, prevhash, coinb1, coinb2, merkle_branch version, nbits, ntime, clean_jobs. What i must to do with that? Can you write step by step formulas how ...
2
votes
2answers
75 views

Why DARPA wants blockchain based secure messaging system

DARPA (US Defense Advanced Research Projects Agency) has released a Request for Proposal for a Secure Messaging Platform using a blockchain framework. The following is the Objective paragraph from ...
4
votes
1answer
40 views

What would be the Internet Usage For 100 Antminer S7?

I am planing to set up a mini farm with 100 S7 Miners, but am little concerned about the internet usage and speed. What speed do I need and how much bandwidth it will consume per month?
1
vote
1answer
63 views

can someone explain what i did wrong here? (btc transaction with fee not confirming) [duplicate]

https://blockchain.info/tx/c782b48bba09dea21896b7c58292abaec81d7ce2db2975f30b77176dddad492c was the fee not high enough? i have never had an issue with fees using the recommended amount that bitcoin ...
2
votes
1answer
51 views

Payment has not arrived at destination!

I do not know yet whether is this transaction is confirmed or not because not yet reached the destination !! https://blockchain.info/tx/962a428acb10ed071b1cf954cbaf763016751b986429df5268424880ee95a7d6....
2
votes
1answer
21 views

Keeping valid shares for it's own when mining in a pool

How does a mining pool insure that the miner who will find the valid share for the current block will not use it for his solo mining?
0
votes
0answers
20 views

Why Does Litecoin Transaction Show Zero Confirmations for last 3 hours

I tried sending 193.09 LTC from my mobile wallet. There wasn't an option for how much of a fee to add to the transaction, so I just sent as is. It took a long time to send from my phone and then once ...
3
votes
1answer
18 views

What's the POST endpoint to broadcast a transaction in copay's server?

AFAIU, copay's server implementation is bitcore-wallet-service. From its README, I can deduce that a multi-sig wallet will use the /v1/txproposals/ endpoint to create a new transaction proposal that ...
10
votes
1answer
141 views

P2P MultiCoin markets

are there any p2p markets for different kinds of coins, like https://localbitcoins.com/ for bitcoins? Thank you!
6
votes
1answer
150 views

What impact could the patents applied for by Craight Wright have on Bitcoin development if granted?

What impact will this have if all the patents he applied for are granted. Could it create liability for Bitcoin developers who attempt to use some of his patented ideas when making future pull ...
1
vote
1answer
22 views

Derive symmetric keys

Is there some means by which I could derive symmetric keys using bitcoin public keys or HD Wallet public key which I have shared with a second user.
0
votes
0answers
19 views

Cloudmining (still) profitable? [duplicate]

I am thinking about investing some of my money in a bitcoin mining contract. Prices are around 190$ for 1 TB/s of hasing power (lifetime). So my question is, if this is still profitable!?
6
votes
1answer
48 views

How does a request link work?

When I share an request as a link it can look like this: bitcoin:1474awqSNomvEjS2vPv4Pueq3WkrMaEFfP?amount=1 I've got some basic questions about request link: Is just my address and the value ...
8
votes
1answer
39 views

Projections for reductions in price of hardware wallets

The components of hardware wallets are not very expensive (at least when purchased as scale). I understand the need to recover R&D costs and that higher sales volume will increase negotiating ...
1
vote
0answers
14 views

C++ Proofofworklimit to bitcoinj util.DecodeCompactBits

What is equivalent bitcoinj util.DecodeCompactBits for below c++. Cbignum(~uint256(0) >>32) Cbignum(~uint256(0) >>20) Cbignum(~uint256(0) >>23) Cbignum(~uint256(0) >>22)
3
votes
1answer
544 views

What is bitcoin mixing/laundering for?

What is the difference if I'm using bitcoins that were given me by somebody I sold product to, or by some mixing bitcoin service? After all, aren't I using those bitcoin at the same place and ...
0
votes
0answers
37 views

Help Recover wallet

I have posted this Question before but could not see an answer. I backed up my bitcoin on a usb and via email, however, when I try to open it I get an error message from Adobe Reader that it is unable ...
8
votes
0answers
43 views

What is the largest company that has ceased accepting fiat payments in favor of Bitcoin?

We know there are many large companies that now accept Bitcoin transactions (Dell, Overstock, Expedia, etc) however they still accept fiat payments from legacy credit card systems. Which large ...
0
votes
0answers
11 views

Unconfirmed after over 72 hours [duplicate]

This is my first time using this system and I did check send with 0 fee if possible thinking it wouldn't make a difference. I realize I should have done better research...At first the blockchain said ...
3
votes
1answer
71 views

Can we unravel Bitcoin Core?

Is there a documentation somewhere to understand the C++ code of Bitcoin Core (available on Github) "from a to z" and being able to recreate it ?
0
votes
0answers
19 views

CoinFlapper for Android, gone? [on hold]

Anyone knows why bitplaytoday stop CoinFlapper android service??.The game couldnt be open.It just showing error messeage.When i go to their website, no information why they stop their service for ...
8
votes
3answers
314 views

Could cryptocurrency “insurance” slow Bitcoin adoption?

Does the concept of cryptocurrency "insurance" undermine the purpose of "being your own bank"? Recently I have seen more Bitcoin related companies offer some sort of insurance for Bitcoins stored in ...
6
votes
1answer
99 views

Add dependency Bitcoin Core

I'm trying to add a new dependency to my Bitcoin Core fork. The dependency is Rapidcheck, a property based testing framework. I've added a file called rapidcheck.mk inside of depends/packages with ...
1
vote
1answer
38 views

Seeing no Hash per second on any pool

I'm a newbie to bitcoin and having a hard time trying to take part of a pool. I subscribed to various ones, including : eu.p2pool.cloud or give-me-coins And mining from windows with the following ...

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