0
votes
0answers
7 views

Antminer VS Cointerra

i only heard about how my friends use Antminer s5 anyone is experienced for which i should buy and why?
0
votes
0answers
5 views

Legal status of Blockchain proof-of-existence TX (USA court)

Is there any real USA court cases with Bitcoin's Blockchain used as an proof-of-existence/timestamp service (without BTC transfer)? Can Bitcoin's Blockchain be used as a 'signing' utility same as ...
0
votes
1answer
8 views

How to use JSON-RPC in C++ in Linux?

Which library I must use for JSON? Where is RPC call example ? How to use RPC of bitcoind or bitcoin-cli? or better Electrum API to get all new (maybe pending) transactions which appears in Bitcoin ...
-1
votes
1answer
11 views

What makes Bitcoin Miner CPU such as ant miner different than usual CPU?

is it the processor? or maybe RAM? i'm sure it's not the GPU though, Which and what part does it make them powerfull to mine?
-3
votes
0answers
6 views

create a website like Bitpay, A payment process gateway [on hold]

i want to create a bitcoin payment processor like Paypal.i want to create a API like Paypal this API use in other sites and buyer pay amount through my site which work like Paypal payment processing.
0
votes
0answers
7 views

Gridseed not mining bitcoin - no shares accepted

So I have been with my gridseed (5 chips) for about a week now, and still couldn't mine any bitcoin, only scrypt. I am currently being able to mine only with Minerd, using scrypt, and I am on a Mac. I ...
-1
votes
0answers
6 views

In blockchain info: Showing balance zero [on hold]

I have with drawn bitcoins of total 0.00087BTC from my address in freebitco.in to blockchain wallet. But the total amount received showing as 0.00087BTC and total transaction showing as 0.00087BTC. ...
1
vote
0answers
6 views

Generated a transaction id but not seen on blockchain

Transaction id: a667e6d1a80c17bd0b55afec7c6ec618ca64a2a6c1b4f9badaf1c883bf5cb5dd I sent bitcoin from electrum wallet with a 0.002 miner fee but it is showing unconfirmed. I tried to manually ...
0
votes
1answer
17 views

I want to start mining new blockchain (exactly as Satoshi did in 2009) for testing purpose

I will mine myself ONLY so difficulty will be always in 1 range so CPU is enough for this task So my question is: how to setup bitcoin core 0.12 to start mining with CPU new blockchain ? If I type ...
0
votes
0answers
9 views

How can I mine Monero or other altcoins using Azure Cloud Services?

Is there any way by which I can mine Monero or other altcoins using Azure Cloud Services.
-1
votes
0answers
5 views

What hash rate can I expect for the given hardware? [duplicate]

Processor Intel i5 6600K -3.5GHz Graphic Card Nvidia GTX 980M 8GB Ram 16GB at 2300MHz
-4
votes
0answers
11 views

Can anyone expand to my list of cloud mining sites? [on hold]

Can anyone expand to my list of cloud mining sites? Secure Safe +/- 10 Month ROI: Referral link (Going strong for 1 year now) Good WOT Rating Dodgy +/- 3 Month ROI These sites are still ...
-1
votes
0answers
11 views

What tools, and knowledge do i need to have in order to earn from coin mining [duplicate]

I am a newbee to bitcoin mining, I wish to solicit for proper guidance on tools/knowledge i need to put in place in other start a successful mining project.
-2
votes
0answers
25 views

No Hardware Mining [on hold]

I want to get started mining bitcoins, but don't want to use any hardware like an ASIC or GPU. Is this even possible? If it is, please tell me how to do this in an answer. If it is not, please just ...
0
votes
0answers
7 views

How to get Master Chain Code

I'm using NBitcoin and I created an ExtKey object. Now I need to get the Master Chain Code (see page 89 of Mastering Bitcoin for a good explanation) for this HD node. How do I do this? According to ...
-2
votes
0answers
22 views

How do I configure my GTX 980 for Slush pool?

I decided to try Bitcoin mining with my new GTX 980. I tried, downloaded and installed GUIMiner and so on. I used Slush pool and then set up a Bitcoin wallet, but when it comes to workers in Slush ...
1
vote
0answers
9 views

How to upgrade my node with bitcoin wallet GUI from 0.11.2 to 0.12.1? Install qt V5.5?

i want update my RaspNode (rPi 2 B+) to the 0.12.1 but i want to use Bitcoin wallet GUI. So, it's necessary to install QT V 5.5... V 0.11.2 use QT 4.8, but 0.12.1 uses QT V 5.5 How to install QT V ...
1
vote
3answers
54 views

Who decides that the new block is ready to hash?

I know that new blocks are relayed one block per 10 minutes but that time is not exact but average so: Who decides that the new block is ready to hash?
2
votes
2answers
28 views

How are transactions collected into new block?

How are the latest transactions collected into new block to send them to miners for hashing? Which part of the network is responsible for giving miners the correct block to hash?
2
votes
1answer
18 views

How can I set the transaction fee when creating a transaction through Bitcoin-cli commands?

I want to run the following command via bitcoin-cli: ./bitcoin-cli sendfrom "10302c02147e2948cbejd9a2bd80d9691ef08a6a4d416c2bb602143a4anj06b90e" "32cjBTQkfLBp38ixj7hdjk0cc90VPPnwhQ" 3.04384215 ...
1
vote
0answers
8 views

Where can I get a complete, 1-minute precision OHLC data for the BTC/USD trading pair?

I need that for a charting application. Is there any place providing that data for free?
0
votes
2answers
36 views

Is blockchain necessary?

I am interested in developing a crypto-currency (who isn't), but I have no interest in the blockchain mining aspect of it. I want to program one that emits the coins when someone has performed some ...
0
votes
1answer
33 views

Will Crypto Currency End in Next Few Years? [on hold]

We all know how crypto currency works. It's just a hashing algorithm with a key pair. And public key has a chance of collision (of course very rare chance but still lets consider there is a chance for ...
0
votes
0answers
12 views

What are some concerns that would have plagued Satoshi Nakamoto if he did not stay anonymous and was publicly known? [on hold]

Having that Satoshi Nakamoto is an anonymous developer. What are some issues he would have to deal with if he was publicly known?
0
votes
0answers
16 views

Are there any other anonymous developers like Satoshi Nakamoto and BCNext that abandoned their project?

I'm doing some research on anonymous developers in the crypto currency space. Satoshi Nakamoto was the first to create a crypto currency and then vanish from existence. Another one was BCNext that ...
3
votes
1answer
21 views

Confirm own incoming transactions

Is it possible to only mine your own incoming transactions? So you can confirm a Bitcoin transaction (only locally).
1
vote
1answer
41 views

What options does one have to manage Bitcoins?

I started trading and buying Bitcoins for a while now, and realised: I have multiple wallets and multiple websites where I have bitcoins/litecoins. I think most of the people, including me, want use ...
1
vote
1answer
13 views

How to apply RBF (Replace-by-Fee)

I got a stuck transaction and would like to clear this. I found many information about RBF (Replace-by-Fee) how it works etc. So i think this might be the best option to get my transaction going. ...
-1
votes
1answer
29 views

How many confirmations do bitcoin escrow websites wait on average?

To me it seems very dangerous not to wait for 6 confirmations when running an escrow. The scenario I'm thinking of: a miner deposits a large sum of bitcoins the escrow waits for one or two ...
0
votes
1answer
13 views

How is “bytes to push” distinguishable in the scriptPubKey?

Trying to parse scriptPubKeys and get the individual opcodes. My question is: How would you identify the "bytes to push" values? Here's an example of the typical scriptPubKey: 76 A9 ...
1
vote
1answer
22 views

Height mismatch between bitcoin-qt and bitcoin explorers

I am running bitcoin-qt on the testnet. The count of the last block is 787794 which is way ahead of what I see on blockchain explorers such as https://test.webbtc.com/, which shows the last block as ...
1
vote
2answers
19 views

Is the getnewaddress command available before synchronization is completed?

Can I expect the getnewaddress command to work before my bitcoind has finished synchronizing?
1
vote
1answer
38 views

0 active connection to bitcoin network (testnet)

I am working with the testnet. I downloaded the bitcoin-core application on Linux and I am running the version Bitcoin Core version v0.12.1.0-g9779e1e (64-bit) I was able to download the bitcoin ...
0
votes
0answers
10 views

CGminer hash speed is at 0

I just recently wanted to try bitcoin mining but i have 2 slow computers! I was wondering why the statistic at the top is going at 0s speed? Anyway i did get to the stage where it was saying this: ...
1
vote
4answers
35 views

How can a lightweight client make sure output has not been spent yet?

It's simple to prove the creation of a UTXO: You just need to provide the transaction data, the Merkle branch, and block of the creating transaction. Then, as a full-node, it is simple to check ...
0
votes
1answer
31 views

What is the memory usage for checking transaction inputs?

Whenever a transaction is received by a node, the node verifies its validity. To that end, it checks for each transaction input whether that input is part of the UTXO set. It is my understanding that ...
2
votes
1answer
35 views

Stellar UTF-8 Support

We are developing the open government auctions system on “Stellar” platform. We forked Stellar and run our own network. We’ve added Lot creation transactions, auction participation, bids etc. There ...
3
votes
0answers
38 views

Testnet wallet fully sync block height different to testnet blockchain explorer

I run bitcoin core into testnet mode for learning/testing purpose. My client/wallet/node are fully sync, based on the "check mark" at the bottom right of the GUI-client. Via getinfo command I obtain : ...
-1
votes
0answers
34 views

Doubling or half of the private key range

Bitcoin private key range n = 1 to FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140 and p = FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F bitcoin public key x ...
0
votes
0answers
16 views

Trezor Custom Mnemonic

How do I go about using words I pick in a trezor seed? I only want words that I select and in an order I select. I'm not worried about this being a less secure way to generate a seed. I will be doing ...
0
votes
0answers
5 views

Upgrade multibit HD [closed]

In a future update of multibit HD could put option other currencies for display? Today has just $ or USD could put Euro and R$ (Brazilian Real or BRL) by converting bitcoin for these coins. Thank ...
1
vote
0answers
17 views

A common criticism of Segregated Witness is that it is “unnecessarily complex”. Why is it chosen over alternatives?

Segregated Witness (SegWit) is well-along the way to being implemented and deployed as a soft-fork. Facts: SegWit eliminates most forms of transaction malleability. Discounts input scripts in ...
3
votes
1answer
24 views

Private Brain Key Generation and Public Address Not Matching Java

I am trying to generate a public and private key set from a input string in Java. (Yes I am aware this can be a dangerous practice) I am using bitcoinj for a outside library. I currently have: ...
0
votes
1answer
51 views

bitcoins unconfirmed for 7 days :(

Can anyone help me? I am a noob with bitcoin (using bitcoin core client) and I ticked the check box that said something like "send with 0 fee when possible". My transaction has been stuck in the ...
1
vote
1answer
45 views

Is the Lightning network a proof-of-stake system?

In his recent talk, Andreas Antonopoulos said "By probably the end of 2016, Bitcoin will have a hybrid proof-of-work/proof-of-stake system." and then continues to label the Lightning network as a POS ...
5
votes
1answer
27 views

Why is target stored in the block at all?

Currently, target is stored in each block. Why is that? Why it is not simply computed by each client based on the previous timestamps from previous blocks? Why it has to be stored within the block? ...
0
votes
1answer
37 views

What are the possible Doomsday scenarios for the 2016 Halving from 25 to 12.5 BTC per block solved?

The 2016 halving is coming from 25 to 12.5 BTC solved for every block. For us to understand the effects. What are some possible doomsday scenarios that can happen?
1
vote
1answer
21 views

What is the exact value of upcoming block rewards?

Wrote a simple script that literally just halves 50 BTC (the initial block reward). Are these block rewards correct or are the satoshis being rounded up/down incorrectly? 50.00000000 25.00000000 ...
1
vote
1answer
51 views

Bitcoin boom and bust - Inherent instability of Bitcoin

I'd like to put the a question to the community regarding the inherent stability/instability of Bitcoin. I hope it's not off-topic since it's more a economics-type question. So, here's the scenario in ...
3
votes
0answers
21 views

How can I recover last word of BIP-32/39 mnemonic copay second signature multisig wallet

I've got a multisig 2of2 wallet in copay. I've one wallet correct but have lost second wallet and only have 11 of the 12 words of the seed.I'm pretty sure I miss the last one. I've got some of the ...

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