0
votes
0answers
2 views

Can you combine 2 of 3 brain wallet addresses to form a multi-address?

Is there a way to use 2 of 3 brain wallet addresses to create a multi-signature address? How can this be done? I was hoping to do this with warp wallet if that is possible or not. I'm assuming it ...
0
votes
0answers
5 views

Transferring Many Bitcoins without restoring a seed..Read

So I was thinking about how would someone transferring a handful of bitcoins say 10 or so to a new hardware wallet. so the situation is this. Say you have 10 coins and want to transfer those coins ...
0
votes
0answers
7 views

deserialization format pybitcointools

I saw on pybitcointools' github that "Transaction deserialization format [is] almost compatible with BitcoinJS". Could someone with experience make the degree of compatibilty of pybitcointools with ...
-1
votes
0answers
12 views

Is anyone else investing in? [on hold]

Is anyone else investing in other CC? I am looking to get into this CC boom so I don't miss out like I did on the dot com boom in the 90's, due to being too young lol thanks!
0
votes
1answer
32 views

Since the blockchain is public, how can we see it?

The blockchain is a shared public ledger for bitcoin. what does it mean exactly ? It is possible to see, publicly, all transactions ? For every bitcoin a person owns, is he able to see all the ...
1
vote
0answers
17 views

How can I convert a bitcoin private key (hex) into a Bitcoin public key?

How can I take a bitcoin private key encoded in hex: d1d9a2e9fd3da7e7710310ea17a9edff9e08845c7a6f2ea3d650ba4ae7ee0d3b and convert it to the corresponding public key: ...
0
votes
0answers
13 views

Redeem input script without signature

I am trying to make a strange transaction which can be redeemed by solving a simple math problem, e.g. square root of 2. With the answer the student should be able to unlock the input and claim the ...
1
vote
1answer
8 views

Setting wallet directory independent to data directory

Obviously with datadir=C:... I can chance the directory bitcoin uses. I would like to store my wallet on a different hard drive than the blockchain. Is there a command for that?
0
votes
2answers
44 views

Why is it difficult to acquire bitcoin?

all of the buying guides or suggestions here on bitcoin.stackexchange seem dated and old. does anyone have any new methods for buying bitcoin with a disposable or personal debit card? it's not ...
1
vote
1answer
19 views

is there a way to run bitcoin-qt and point it to a local testnet?

I'm running a small testnet locally with this project: http://github.com/freewil/bitcoin-testnet-box but I'm having trouble pointing bitcoin-qt to the blockchain that I created locally myself, so I ...
0
votes
1answer
68 views

How do I join the NXT 2.0 (Ardor) distribution if it isn't an ICO? And how does it affect NXT 1.0 holders?

Can someone explain to me how to join the NXT 2.0 (Ardor) distribution? I've been reading you can't buy into the coin initially or can you? Also how does this affect NXT 1.0 system? It seems to be one ...
0
votes
1answer
30 views

Refund a transaction send twice

By mistake, I have send second time 0.09923 BTC to bitcoin address: 15qMMPEa4M26XX4KqXxrvD5yjNwfETg3Hx via transaction id:0a5c7ea12bd84b1dfeea4972d6415c28d6846d83c5fb00f56cf4f6d20c05f4da I did the ...
3
votes
1answer
34 views

Access the NXT / Ardor database console?

I want to do some queries on the H2 database. How can I access this console that lets me type in commands.
4
votes
1answer
20 views

Does any current SegWit or blocksize increase proposal also seek an increase in the OP_RETURN byte limit?

Does any current SegWit or blocksize increase proposal also seek an increase in the OP_RETURN byte limit? https://en.bitcoin.it/wiki/OP_RETURN Are there any current pull requests that seek an ...
4
votes
2answers
235 views

Bitmain AntMiner U1 1.6GH/s - USB Bitcoin ASIC Miner

I am looking at getting a Bitmain AntMiner U1 1.6GH/s - USB Bitcoin ASIC Miner to mine LTC and doing a few calculations. I have used a few LTC profit calculators: https://bitmakler.net/...
4
votes
3answers
755 views

How can I recognize a bitcoin transaction from a given person?

If I ask two different people to pay me a given amount of bitcoin, how can I tell which one has paid and which one has not? If the amount is different then it's easy. For the same amount? Public key ...
4
votes
1answer
41 views

What is the best way to share the blockchain and get it verified by the wallet?

I am the owner of BlockchainDownload and am looking for a way to get some trust in the website. I have shared the link in a couple of topics an get the response "Please do not suggest that people ...
4
votes
1answer
14 views

Transaction signature algorithm

As I know, standard ECDSA digital signature algorithm returns two values (according to this article or Wikipedia), but transaction push services or APIs, like this one, require one string as a ...
1
vote
0answers
14 views

Gas limit won't change [migrated]

I am currently running a private ethereum chain with 2 nodes. My coinbase address on the main node has plenty of ether so I went to make a transaction but got the error "Gas Limit exceeded". I noticed ...
3
votes
2answers
46 views

What would be a rational subkey depth to use so that my address is infeasible to locate via a systematic search?

Using pycoin. ku <ext_pri_key> -s 1/4/6/2/8/4/2/5....... How many levels deep into the tree would I need to go (using only single digits) before it would be infeasible for an attacker to find ...
5
votes
3answers
106 views

Check status of daemon?

I have started bitcoind on my linux box. How can I ask it what its status is? I assume it is downloading the blockchain and will continue to do so for hours or days. How can I find out where it is in ...
2
votes
1answer
43 views

What do you want from bitcoin faucets?

I operate a very high potential bitcoin faucet. Currently it is the highest paying faucet (only available for mobile). I know faucets are considered passe, but many people still use them. Im curious, ...
6
votes
0answers
23 views

bitcoind does not issue expected “rpcuser” message after installation

The instructions for installing the non-ubuntu linux bitcoind read as follows: Before using the Bitcoin Core daemon, bitcoind, you need to create its configuration file with a user name and password. ...
5
votes
1answer
32 views

Can Bitcoin full nodes pinpoint the true source of a transaction which they've relayed?

Assume I'm running a full node and that I've relayed some transactions. As a full node owner, can I pinpoint the true source of the transactions I've relayed?
5
votes
1answer
26 views

How to check if node is on TestNet or MainNet via `bitcoin-cli`?

Is there a way, by using bitcoin-cli using RPC querying, if the node I'm querying is running on MainNet or TestNet? Thanks
6
votes
1answer
93 views

Arguments against Bitcoin using adaptive blocksizes

Besides the risk of miners artificially increasing the average block size on purpose, what are some of the potential negatives of adaptive blocksizes? Are there any advantages of human set hard ...
7
votes
1answer
55 views

Will Electrum mnemonic seeds be forward compatible with all future versions of Electrum?

If I use the newest version of Electrum (2.6.4) to create a mnemonic seed and the current source code (2.6.4) later becomes unavailable, will I be still able to use a mnemonic seed I create now with ...
6
votes
2answers
47 views

What are some examples of companies that have abandoned Bitcoin payment processors in favor of in house Bitcoin integration?

What are some examples of companies that have abandoned Bitcoin payment processors in favor of in house Bitcoin integration? For example which companies previously relied on Coinbase or Bitpay that ...
11
votes
1answer
40 views

Are there alternatives to Gitian?

I like how Bitcoin Core uses Gitian to make their builds deterministic. But Gitian is also a really complicated workaround. Is there any research being done into alternatives for deterministic builds?
6
votes
1answer
36 views

Question on interpreter.cpp in Bitcoin core - set_success method

https://github.com/bitcoin/bitcoin/blob/master/src/script/interpreter.cpp Line 22 => Where is declare "ScriptError" ? What does the "*" mean ? "inline bool set_success(ScriptError* ret)"...
6
votes
2answers
189 views

I cant remember where I got my Litoshi address. Is there a way I can find it because boxlit transferred my litoshis already

I saw the transaction through block.io . I dont think i got it there(block.io). I did not write it down because I always save my username and password in websites i register and sign but the problem ...
3
votes
1answer
60 views

Bitcoin halving conflict? Is this a rumor [duplicate]

Is there a conflict as to when the halving will occur and Bitcoin miner rewards become 12.5? Is is set in stone to happen this July or is it after a certain amount of blocks?
4
votes
0answers
56 views

Could block chain technology be used to implement a verifiable voting system

from an efficiency point of view, voting at elections online seems to make alot of sense except there is currently no way to have a completely trustable electronic voting system because of the lack of ...
1
vote
0answers
24 views

Are there any other blockchains that can spawn child-chains within their own blockchain like NXT's Ardor platform?

NXT is transitioning into a child-chain or sidechain type of blockchain as a service model. I know Bitcoin has the ability to issue colored coins on counterparty and colorcoins, but is there something ...
4
votes
0answers
15 views

Channels state validation in lightning network?

I looked into docs but didn't found any information, how do client get information about state of intermediate channels . Since channel transactions are offchain, and only channel participants knows ...
3
votes
1answer
17 views

Blockchain.info's blockcount API call giving error, alternatives?

This URL today: https://blockchain.info/q/getblockcount Was giving the error "Too many requests". Any alternative out there to get the blockcount via an API? Thanks
-2
votes
0answers
9 views

If can help me on catarse (se alguem quiser ajudar) [on hold]

I've been open in catarse a donation for I work with Bitcoin miners, if someone helps me if I would greatly appreciate it https://www.catarse.me/pt/mineradora_bitcoin_fbe2?ref=...
2
votes
3answers
104 views

Why can malicious miners not award themselves with any number of bitcoins?

Why can malicious miners not award themselves any number of bitcoins? Is that because the award itself is a transaction which has to be confirmed by a random miner? And if so, what if the miner ...
3
votes
1answer
27 views

Why does getblocktemplate use priority for transaction selection?

I don't know how getblocktemplate works exactly, but it seems to include transactions based on priority. Selecting transactions based on priority isn't the most profitable method for building a block ...
1
vote
0answers
12 views

Most efficient way to calculate fee from getrawtransaction?

I would to get the fee when I search for a transaction using getrawtransaction, but the JSON-RPC does not return this. https://chainquery.com/bitcoin-api/getrawtransaction So to achieve this, my ...
5
votes
2answers
56 views

Does anyone get custodial control of your funds when using Lightning Network?

When I open a payment channel on Lightning Network, do I need to subject my funds to custodial control of another party? Is there a counterparty risk in Lightning Network?
6
votes
1answer
30 views

Shared Coin in BlockChain new wallet?

How can I send Shared Coins using BlockChain new wallet?! I can't find that option in the new wallet!
2
votes
3answers
28 views

What incentive is there for a miner to not cancel his own 'real' txs

It is said that a Bitcoin miner attacker with enough CPU power to out run the entire network is better off mining honest bitcoins - which is not correct since by creating a false block chain the ...
-2
votes
0answers
49 views

Bitsrapid vs Hashnest [on hold]

I have already invested in bitsrapid and i am getting a hashspeed of 5600 Khs , but recently I came to know of a mining site known as hashnest , They are offering 1Ths for Just 1 bitcoin. I checked ...
4
votes
1answer
223 views

How can I forecast the date Bitcoin will hit a certain blockheight?

How can I forecast the date Bitcoin will hit a certain blockheight? Are estimates for future halving and other important blockheights just based on the current height plus 1 for each 10 minute period ...
5
votes
0answers
20 views

Can*t call chainActive.Tip()->nHeight in core.cpp

i want to call chainActive.Tip()->nHeight in core.cpp. It is but not possible. I am happy for every idea. https://github.com/LIMXTEC/BitSend/blob/DEV-joshafest/src/core.cpp Here is a example bool ...
5
votes
1answer
21 views

Correlation of number of (non mining) full nodes to internet bandwidth

Are there any correlation studies showing the number of (non mining) full nodes per country (total or per/capita) compared to average internet connection speeds? I know there are great differences ...
5
votes
2answers
59 views

What does the blockchain represent?

What does the blockchain represent? Is it the current balance of each account or is it the complete ledger?
-1
votes
0answers
13 views

Bitcoin transaction unconfirmed for several days even though transaction fee was included [duplicate]

Sorry, Bitcoin n00b here. Just wondering why this transaction is unconfirmed (has been about three days now) https://blockchain.info/tx/...
0
votes
1answer
8 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 ...

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