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1500 questions
9
votes
2 answers

What are the differences (and value adds) among all the different Crypto Currencies?

This website lists hundreds of crypto currencies. Some whimsical, others with a unique value. Is there a catalog, or diff between all the implementations that highlights innovation, or a unique use case? My goal is to prioritize which…
makerofthings7
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9
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1 answer

What percentage of altcoins are based on Bitcoin?

What percentage of altcoins share the same codebase as Bitcoin?
tryinghard
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9
votes
2 answers

Why do leading ASICs manufacturers sell their chips?

I understand that some people have access to cheaper electricity than others. However why not just open mining facilities in the parts of the world offering the lowest cost structure? If that is not possible, then a joint miner with those miners…
John Adamson
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9
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2 answers

Confidential Transactions on main chain

I have seen discussion of CT being used on the a side chain. What are the chances it will be applied to Bitcoin Core itself?
Jamal Wilson
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9
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1 answer

Implementing Multi-Sig Escrow?

I want to start a BTC market. I understand all the ways to go about creating a site, it's just the payment implementation which confuses me. I want multi-sig transactions capable between my users on site. If I understand correctly, multi-sig…
tacoma
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9
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4 answers

hash versus hash pointer

I am doing coursera online course on Bitcoin and Cryptocurrency Technologies. It defines the concept of hash pointer in the first lecture as pointer to where some information is store and cryptographic hash of that information. I am confused on what…
user2065276
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9
votes
2 answers

How many zeroes does the current target have?

I'm trying to get my head around the difficulty setting of Bitcoin. How can I calculate how many zeros the target string needs to start with?
Alice
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9
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2 answers

Why are banks and other centralized entities interested in block chains?

Apparently banks and other centrialized entities are interested in block chain technology. My question is, why? The whole point of block chains is for decentralized, trustless, consensus. Bitcoin, for example, uses Blockchain to reach consensus on…
PyRulez
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9
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3 answers

Where do the dollars go?

This question seems to me to be such an obvious question, that it must be answered somewhere. As I understand it is necessary to buy bitcoins using dollars or some other currency. Where do those dollars etc. go?
harley
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9
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3 answers

How do miners detect double-spending?

Assuming I spent 1BTC, then waited a few months and then spent it again. How is this detected? Do the miners go through the entire blockchain to assure the coin was never spent before?
frmsaul
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9
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1 answer

Why would increasing the Bitcoin block size lead to a more centralised system?

Why does Bitcoin Core contributor Peter Todd think that increasing the Bitcoin block size would lead to a more centralised system? “The system doesn’t scale, and you just have to accept that and do something smarter. Every time you do a [block size…
9
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2 answers

Why does Bitcoin use two rounds of SHA256?

Each blocked is hashed twice. Why isn't one application of SHA256 enough?
ripper234
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9
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7 answers

Is performing a 51% attack / double spend on Bitcoin illegal?

Suppose I had an ultra large ASIC from the future, and could perform a double spend on the core Bitcoin network. At this point in Bitcoin's development, it is no longer a game - there's real money involved. Would performing a successful double spend…
ripper234
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9
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8 answers

Can more than 1 block be solved per 10 mins on average (LONG TERM)?

I am wondering whether it is possible for a supercomputer to find the next 1000 blocks in a very short amount of time. Hypothetically, if a government agency concentrated a supercomputer on hashing, could they solve the next 2016 blocks in a few…
R--
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9
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3 answers

How does restoring an HD wallet work?

I was trying to learn working of bitcoin and trying to understand the working of bitcoin wallet. I can see the behavior of how an HD wallet starts with an address and adds additional addresses later for receiving bitcoin. I read bip-0032, but still…
Sarath Babu
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