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1500 questions
35
votes
6 answers
What would a country adopting Bitcoins as official currency have to reinvent?
Let's say that a country decided to ditch their currency and go for Bitcoins. What would this country have to reinvent. The reason why I ask, is because I believe that if a tiny country was to adopt Bitcoins as their official currency, then this…
David
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35
votes
3 answers
What is the block maturation time?
I was reading the wiki article about the blockchain and I didn't understand the part in bold:
When a block becomes an orphan block, all of its valid transactions
are re-added to the pool of queued transactions and will be included
in another…
nmat
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35
votes
9 answers
Is there a Bitcoin bank, which gives interest on my deposit?
Is there any Bitcoin bank I can place my Bitcoins in that will give me a decent interest rate. It should be at least 1% for it to be worth it.
David
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34
votes
7 answers
Why do the price of bitcoins vary wildly between exchanges?
▼ mtgoxUSD 95.0000 108.452 -12.404% 2428892
▼ btc24EUR 67.5047 89.036 -24.183% 348160
▼ btceUSD 82.9900 106.794 -22.289% 277286
▼ bitstampUSD 75.9900 109.320 -30.489% 249563
▼ mtgoxEUR 74.2244 …
user4951
- 1,188
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34
votes
3 answers
Why does Bitcoin use two hash functions (SHA-256 and RIPEMD-160) to create an address?
Why do we use 2 hash functions (both SHA and RIPEMD) to create an address? Why not just use one hash function?
anapaso
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34
votes
3 answers
How do transactions leave the memory pool?
How does my bitcoin core client know when to drop a transaction from the memory pool?
Is it as simple as a specific period of time?
inersha
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34
votes
3 answers
What is an "unspent output"?
What is the meaning of the term "unspent output" in the Bitcoin protocol?
ripper234
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34
votes
4 answers
Are there any truly anonymous cryptocurrencies?
I've been looking into Bitcoin recently and stumbled upon numerous notes how Bitcoin is not anonymous at all, or how it's only partially anonymous and you can easily trace your funds.
So, this brings us to my question: is there any true anonymous…
HowardLoosingIt
34
votes
5 answers
How to make a new blockchain from scratch
In the same vein as setting up a private DNS root server and using whatever domain names you want, how do you generate your own blockchain and mine your own coins?
P.S. I don't want any answers like "why would you want to?" I want to do it…
supertaco
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33
votes
6 answers
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 disassociated from an address, by sending it to a…
btctb
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33
votes
7 answers
Is a private blockchain better in any sense than a database?
Since the banks appear to be currently looking into the idea of "blockchains" but don't want to be dealing with "Bitcoin", it seems that there is a lot of hype for private blockchains out there like Eris or Hyperledger. However, a lot of people tend…
ThePiachu
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33
votes
3 answers
How is the whitepaper decoded from the blockchain (Tx with ~1000x m of n multisig outputs)
The whitepaper is apparently encoded at 54e48e5f5c656b26c3bca14a8c95aa583d07ebe84dde3b7dd4a78f4e4186e713, which is an m of n multisig Tx with 947 outputs (just under the scriptsig limit of 20kB!).
Using the Blocktrail Python SDK, I get a list of the…
Wizard Of Ozzie
- 5,298
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33
votes
1 answer
How can I restore my wallet?
I just purchased a new laptop and I want to decommission my old one. I have a back-up of my wallet.dat file copied to my new PC. What do I need to do to restore it to my Bitcoin (Windows) client? Please note, this is a wallet.dat file that is…
RLH
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33
votes
2 answers
How do I cancel my blockchain transaction (still unconfirmed)?
I am using blockchain.info.
I have made a bitcoin transaction of 22.00883562 BTC to the address 1A9eUAc78tGx65X3CuC9WfSKXXgxjU8ccC.
You can see the transaction at…
Umle
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33
votes
11 answers
Is there any where to get free testnet Bitcoins?
I'm building a project with bitcoins and want to test it with testnet. However, I don't have any testnet bitcoins, and despite the difficulty being less than 100 usually, I still haven't been able to mine a block on my PC (CPU only) after a day. Is…
Earlz
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