Linked Questions

95
votes
4answers
69k views

How does merged mining work?

How does the implementation of merged mining affect the global hash rate of alt chains? Does one solution fit all? Does one solution fit some? Does the rate of "solutions that will fit" decrease ...
61
votes
9answers
25k views

How anonymous are Bitcoin transactions?

I read some sources that say Bitcoin transactions are anonymous, some that say they are semi-anonymous, and some that say they are not anonymous at all. In what ways are the transactions anonymous ...
37
votes
5answers
6k views

How can one remain relatively anonymous while using Bitcoin?

Bitcoin transactions are pseudo-anonymous. What can an individual that uses Bitcoin do in order to remain as anonymous as possible?
23
votes
4answers
4k views

Why don't the timestamps in the block chain always increase?

The timestamps starting at block 145044 are: 145044: 2011-09-12 15:46:39 145045: 2011-09-12 16:05:07 145046: 2011-09-12 16:00:05 // ~5 minutes before prior block 145047: 2011-09-12 15:53:36 // ~...
25
votes
4answers
7k views

What are tainted coins exactly?

I've come across the term of a tainted coin several times now. I understand that coins, or better, the origin of a coin can be traced throughout the blockchain. I've read that bitcoins can be ...
21
votes
4answers
1k views

Are there any fundamental security vulnerabilities in Bitcoin?

Although Bitcoin does its best to prevent double-spending, could it still happen in practice? Is it just very unlikely that fraud could happen, or is there a mathematical proof that it could never ...
30
votes
1answer
9k views

What are colored coins?

What exactly are colored coins? I've tried understanding, but I don't quite get it yet . . . Do any examples exist?
14
votes
4answers
8k views

Is it possible to figure out whether two addresses are in the same wallet?

I'm wondering, if I sent some bitcoins from one of my own addresses to another address in my wallet, will it be possible for someone to figure out that both addresses are in the same wallet? Or can I ...
27
votes
1answer
11k views

What is proof-of-stake?

As we know one of the important mechanisms of Bitcoin is proof-of-work. How does the concept of proof-of-stake work? How does it differ from proof-of-work?
23
votes
1answer
13k views

How does the Kimoto Gravity Well regulate difficulty?

Maxcoin will use the Kimoto Gravity Well (KGW) to regulate the difficulty. From what I could find about the KGW, it retargets after every block and adjusts very quickly, e.g. when multipools add and ...
3
votes
1answer
1k views

What are the best criticisms of blockchain technology?

What are the best criticisms of blockchain technology? Specifically, what are the top flaws of the blockchain as it's currently implemented by Bitcoin?