The tag has no wiki summary.

learn more… | top users | synonyms

4
votes
1answer
52 views

What is the point of comparing sha256 of downloaded file with published on the same website code? [closed]

Some websites publish sha256 to check authenticity of downloaded file. I suppose this is to protect against man-in-the-middle attack - that my file was not altered during download. What prevents ...
2
votes
2answers
155 views

Resources for multisignature transactions?

I am interested in using multisignature transactions to secure my company's coins and I'm wondering what tools are available right now for use with multisignature transactions? I'm especially ...
1
vote
2answers
234 views

Altcoin confirmations and safety - wait ~6 confirmations, or ~1 hour?

The general consensus in the Bitcoin network is to wait for 6 confirmations or 1 hour on a transaction before it can be considered completely irreversible. However, when it comes to altcoins that use ...
1
vote
0answers
161 views

Beating Centralization = Future of Bitcoin [closed]

I bought a bicoin at 120 after hearing wispers of major investors looking at it. I don't know where the value will be in the short term, but recently I've come to realize that one of the greatest ...
3
votes
2answers
126 views

Holding all your money in one address = Paper wallet?

A paper wallet is a very misnamed term, since it's in fact a "paper address" indeed (contrary to a "wallet" which stores multiples addresses, for ewample inside the wallet.dat file). Lots of people ...
2
votes
2answers
360 views

How do I handle the risk that my hard disk crash?

I have good back up system. Can my wallet be backed up? Can I access it anywhere? If so how do bit coin system know that I am the one accessing it?
-1
votes
1answer
78 views

How safe is it for me to install Java on OS X 10.8 to use Bitcoin [closed]

I want to use the Bitcoin client Multibit, but to do so I will need to install Java which over the past six months I've only heard bad things about. So my question is: how safe is it for me to ...
3
votes
1answer
314 views

There is at least one totally “offline” backup of blockchain?

I know that it can be a little paranoid yet, but anyone ever did an offline backup of blockchain in case of a kind of geomagnetic storm? Imagine if all clients of the world lost the data. I know the ...
9
votes
1answer
546 views

Best way to safely host a high volume online transactional wallet?

I am looking at starting a business that will send and receive a large amount Bitcoins in a semi automated manner using API's. I was wondering what is the best way to do do this in a secure way to ...
7
votes
2answers
1k views

How secure are various models of Bitcoin clients?

As there was some disagreement on security of various models of Bitcoin clients in comments to this answer, I'd like to address the problem. How secure are various models of Bitcoin clients? Those ...
15
votes
7answers
1k views

What is the safest medium on which to store my wallet/private keys?

What is the safest medium on which to store my wallet/private keys? I avoid eWallets like the plague. I have my wallet on my computer at the moment with the Bitcoin passphrase encryption and I have ...
10
votes
4answers
391 views

How safe it is that a single San Francisco company controls the canonical location of Bitcoin code?

The single most-trusted canonical source of Bitcoin client is https://github.com/bitcoin/bitcoin This URL is controlled by a single US company GitHub Inc., headquartered in San Francisco, United ...