Unanswered Questions

19
votes
1answer
375 views

Have any SPV users lost money because they accepted forged bitcoins?

I'm making a list of real-life examples of occasions where bitcoins were lost to various known attacks. One of these known attacks is that lightweight (SPV) wallets can't verify whether a transaction ...
11
votes
0answers
461 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 ...
9
votes
2answers
719 views

How are paths found in Lightning Network?

I understand now how multihop payments can work in LN, but how do we discover payment paths in Lightning Network in the first place? Obviously you'd need to take into account the available capacity ...
8
votes
1answer
74 views

Bitcoin privacy metrics?

I'm looking for a numerical privacy scoring system that estimate the degree of linkage between the members of a key pool (or even just individual key pairs). Ideally, the method should be easy to ...
8
votes
1answer
249 views

Mediated transfer of funds between three parties

Alice wants Bob to transfer 10btc to Carol, and is willing to pay Bob 11btc for the transfer. They both entrust Trent to mediate the transaction, and Alice is willing to pay Trent 1btc as commission. ...
7
votes
0answers
136 views
+50

How thoroughly has Segregated Witness been tested?

I've encountered claims that Segregated Witness was "not really tested" and is being "rushed". It is my understanding that SegWit had been running on Elements for more than half a year already, and ...
6
votes
0answers
180 views

Are there drawbacks to the Thin Block patch?

Mike Hearn talked about a patch he applied to BitcoinXT recently in his AMA: I posted a patch last week that makes XT download blocks as lists of hashes instead of duplicating the transaction ...
6
votes
1answer
133 views

Starting out with Armory - can I make it go faster?

Does anyone know of a way to make Armory do an initial sync any faster? I've downloaded the blockchain but so far it's been processing/synchronizing with the network for 17 hours, and it claims it ...
5
votes
0answers
125 views

Bitcoind Performance for production usage

Lets say we have one instance of bitcoind running on the production server. And our exchange software/application interacts with it using RPC callbacks for: address generation withdrawal ...
5
votes
0answers
219 views

How many addresses are sent in response to a getaddr message?

I've been trying to determine the number of addresses a node sends when it receives a getaddr message but I'm a little confused. On one hand, on addrman.h/.cpp I can see that: // the maximum ...
5
votes
0answers
335 views

Recovering the last few digits of a Litecoin private key

Is it possible to recover the last few lost digits (10) of my Litecoin wallet private key? Are there any recovery tools available? Or will I have to try and roll my own? Crucially, what crypto ...
4
votes
2answers
141 views

Transaction fees and transactions with bitcoin-cli. Wallet address balance negative

I'm trying to make a bitcoin website and I tried to implement a sort of 'withdraw' button which would allow you to send your money in the wallet address to some other address. The problem I am facing ...
4
votes
1answer
75 views

How would SPV proofs be verified when moving assets back in 2-way pegged sidechains?

I've seen similar questions posted all around, but haven't found an answer I can comprehend. Ok, so the process of 2 way pegging is: I move some coins to OP_SPVPROOFVERIFY on the parent blockchain. ...
4
votes
0answers
98 views

-walletnotify on 6 confirmations instead of 1?

Pretty straight forward. Right now im using -walletnotify to run some node.js code when i get an incoming transaction and when theres 1 confirmation. However, after reading around, i found out that 1 ...
4
votes
1answer
123 views

Can Bitcoin Days Destroyed be a better resolution mechanism for competing blocks?

I've been looking at selfish mining and empty blocks. In all cases, the selfish miner profits by keeping block solutions private until their value to his own pool is maximized, rather than releasing ...

15 30 50 per page