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Questions tagged [safety]

The tag has no usage guidance.

0
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1answer
65 views

Permissioned or Permissionless blockchain? Which one is PoS more adapted for?

Since in proof-of-stake (PoS) there is no mining process, according to functionality of permissioned and permissionless blockchains, which type is PoS more adapted for? In the other words, is a PoS-...
2
votes
2answers
178 views

Exact definition of “Liveness” and “Safety” properties in a consensus?

Two main properties of a consensus are "Liveness" and "Safety". What are the exact and precised definition of "Liveness" and "Safety" properties in a consensus ? Are the following definitions ...
2
votes
1answer
137 views

Byzantine Fault Tolerance Threshold of Bitcoin: 1/2 or 1/3? (Edited)

According to this answer: https://bitcoin.stackexchange.com/a/58908/41513 a Byzantine Fault Tolerant (BFT) consensus threshold is 1/3. On the other hand, there is a common belief that Bitcoin network ...
5
votes
3answers
144 views

How can I safely store and trade Bitcoin and other crypto currencies?

How can I safely store Bitcoin? Exchanges require me to deposit to trade, is this safe? If I can't trust exchanges, what is the best way to safely store my cryptocurrency and transact it?
1
vote
1answer
251 views

I provided my XPUB and YPUB to Trezor support - should I continue to use my Trezor?

I have a Trezor. In attempting to find out why I have have not received Bitcoin Gold coins Trezor Support asked for my XPUB - I gave it to them along with the YPUB too. Is this safe? Should I move ...
1
vote
0answers
43 views

Anyone concerned that, by individuals getting rich too fast, crime towards cryptocurrency holders will also increase? [closed]

Given the potential for such a gigantic paradigm shift, something so accessible and so global could displace enormous amounts of value to large groups of people that previously had very little capital....
0
votes
1answer
139 views

How can wallets users know their private keys?

Why don't some bitcoin wallets give the private keys to its users? Is it safe to use these wallets? Is there any way for the users to know their private keys without the need to contact the wallets ...
0
votes
3answers
1k views

Electrum seed words safety dumb question

I am starting with bitcoin and even though I understand pretty well how the blockchain works, the seed words used by some wallets (MultiBit and Electrum) give me creeps and doubts. The main question ...
0
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2answers
211 views

The cost of Exchanging $50k

Walk me through buying 50k in BC using cash in Dallas and exchanging BC for cash in the SF bay area 3 days later. Specifically with attention to costs and fees, and maintaining anonymity via in ...
0
votes
1answer
135 views

Who is liable my case or is it a classic hack?

Recently i purchased a Bitcoin from BITX, the South African Exchange for bitcoin. I purchased 28 Bitcoins from BITX. When they sent me the 28 Bitcoins to my Blockchain iOS app, the Bitcoins were in my ...
7
votes
3answers
5k views

Is 12-word seed phrase safe enough?

Is 12-word seed phrase (as used by Electrum for example) safe enough for generating an offline wallet? My understanding is this: 2048 words pool make 11 bits of entrophy per word. 12 words in seed ...
2
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1answer
66 views

Does AirBitz have federated servers?

I have been looking for a service that uses federated servers. Why? Because I am paranoid. And because companies pay me to be imaginative in my foe analogies.
2
votes
3answers
208 views

Cold storage companies?

I was curious to know if anyone knows of any bitcoin business that stores people's wallets offline? I'm looking to diversify my backup methods for cold storage and am wanting to send my backups to a ...
1
vote
2answers
233 views

Do AntMiners comply with FCC Part 15?

Do AntMiners comply with Part 15 of the U.S. Federal Communication Commission's rules and regulations? I tagged this question with "safety" because implicit in my question is what percentage of watts ...
2
votes
1answer
4k views

How can I install a bitcoin wallet on Kali Linux?

I got Kali Linux installed on my laptop and I want to install a good bitcoin wallet to store my bitcoins offline.As I know,top 5 best bitcoin wallets would be Bitcoin Core (the first offline wallet),...
4
votes
1answer
106 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 man-...
3
votes
3answers
408 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 ...
3
votes
2answers
441 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 ...
3
votes
2answers
326 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
500 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
91 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
428 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
748 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 ...
10
votes
2answers
2k 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 ...
16
votes
7answers
2k 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
448 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 ...