Unanswered Questions
3,282 questions with no upvoted or accepted answers
16
votes
1answer
907 views
Peergroup download of the blockchain stalls?
I'm using bitcoinsharp to build my client. I try to download the blockchain in a peergroup network. Download starts, but when progress is 98%, the download is stopped & the client is waiting (2 ...
7
votes
2answers
528 views
How to get notification on bitcoin receive with bitcoin core
How can I get Bitcoin receive notifications with Bitcoin Core. I have tried the walletnotify and blocknotify options. walletnotify is fired two times when I send or receive bitcoins. And with ...
7
votes
1answer
323 views
Can*t call chainActive.Tip()->nHeight in core.cpp
I want to call chainActive.Tip()->nHeight in core.cpp. It is not possible, I am interested in every idea.
https://github.com/LIMXTEC/BitSend/blob/DEV-joshafest/src/core.cpp
Here is an example :
...
7
votes
2answers
459 views
How does a mix between Proof of Work/Stake work? (Peercoin)
I think I understand Proof of Stake and Proof of Work from a conceptual point now. For themselves both are good ideas for sure, but how would a crypto currency like Peercoin (PPC) combine both of them?...
6
votes
1answer
296 views
Mixing Unequal Inputs
Let's say have 3 inputs (alice, bob, satoshi): 0.3, 1.3, 1.6.
We can mix these inputs for example like this: 0.3, 0.3, 0.3, 0.3, 0.3, 0.3, 0.3, 0.3, 0.3, 0.3, 0.1, 0.1.
Or like this: 1.3, 1.3, 0.3, 0....
6
votes
3answers
330 views
How do I spend bitcoins from multiple wallets in a single transaction?
Using, e.g., the Bitcoin Core command line, how could I spend bitcoins from multiple wallets in a single transaction?
This comment says:
instead of sending the transaction to the network, you send ...
6
votes
2answers
604 views
bitcoind and onion listening
I would like to get Bitcoind to advertise that it is listening on an onion address. However, I do not want to have Bitcoind use a tor socks proxy to connect. I have a special router for tor ...
6
votes
3answers
3k views
How does Ripple's exchange work?
In Advanced/Trade tab there is a "BTC/XRP" box, and a "change issuer" link.
I have no clue what should I do to post any buy or sell:
I can freely modify the exchange currencies, and only USD/XRP ...
5
votes
1answer
1k views
How do I remove Wallet from Bcoin?
I'm playing with bcoin cli and created lots of wallets. Is there any way to remove wallet via WalletDB Api?
5
votes
0answers
187 views
How to build Merkle root from merkle branches?
Is there any help/tutorial on how to build the Merkle root from stratum data?
The Slushpool's stratum protocol has an example of a mining job but it does not contain any Merkle branches and I don't ...
5
votes
2answers
501 views
Is it possible to discover the set of bitcoin addresses from a public key?
I'm trying to find the set of bitcoin addresses from a public key associated with a user just to analyse this user transaction. Is there any way to derive/find all the addresses that have been ...
5
votes
1answer
955 views
Cannot create a transaction
I am trying to create a transaction on the bitcoin testnet, using bitcore:
Error Message :
SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
Here is my code:
var ...
5
votes
0answers
262 views
BTCJam API 500 errors
I am currently trying to set up an application using the BTCJam api. I think the api could be very useful, but I have been unable to get it to work fully, and since support isn't responding, I thought ...
5
votes
1answer
3k views
Can someone explain this double spend on blockchain.info?
I'm confused by double-spend linked below, in which both transactions ended up in blocks mined by different miners. Specifically, I'm wondering if there's any way to tell what exactly happened based ...
5
votes
1answer
316 views
bitcoind and rollntime support
According to this page: https://en.bitcoin.it/wiki/Poolservers bitcoind's rollntime support is 'Supported, but not advertised'. I am taking that to mean that it doesn't provide the X-Roll-NTime ...
