1 What is the security and trust model of an Opendime? 2017-09-20T06:26:17.750

1 Can a private key enumeration attack be used to steal bitcoins? 2017-10-01T11:49:32.313

1 How safe is it to use online wallets? 2017-11-01T11:09:11.873

1 What prevents a node from sending a different version of the blockchain? 2017-11-04T07:46:50.163

1 How to generate a paper wallet? 2017-11-16T11:05:49.750

1 Does my Electrum wallet become less secure if I keep generating seeds until I see one I like the look of? 2017-11-17T14:00:46.623

1 Security risk(s) in running bitcoin core full node 2017-11-19T21:01:01.937

1 Can a Bitcoin ( or any other cryptocurrency ) be compromised with a large botnet/s? 2017-11-20T20:23:43.810

1 Who decides what the next, correct Nonce is? 2017-11-24T19:40:14.650

1 Eliminating all private keys records from pc 2017-11-29T15:07:49.960

1 A theoretical low cost attack scenario in PoW currencies 2017-12-02T10:35:12.207

1 Why don't the miners just take profit from our coins and make the coin worthless? 2017-12-04T15:43:48.273

1 What are the implications of a huge amount of unused hash power? 2017-12-05T08:52:51.973

1 Bitcoin is becoming CENTRALIZED and is INSECURE 2017-12-13T13:22:22.477

1 Transforming existing private key into new private key? 2017-12-23T04:59:30.283

1 How do I know if the Bitcoin page has been hijacked 2017-12-24T01:20:52.647

1 Month into crypto and have some questions 2017-12-24T19:58:44.777

1 Ripple paper wallet: is "ripplepaperwallet.com" safe? 2017-12-27T21:23:10.283

1 How will Lightning Network nodes secure their hot wallets? 2017-12-29T21:46:41.783

1 Bitcoin Mixing? Is it even real? 2017-12-31T22:39:16.293

1 How can Bitcoin be stolen? 2018-01-01T14:46:44.090

1 What prevents a miner to change the locking scripts of an unconfirmed transaction 2018-01-10T07:17:17.630

1 How do I protect my paper wallet from use by a different human who has used a random generator? 2018-01-12T19:59:18.370

1 Is it possible to bruteforce the seed? 2018-01-16T03:17:08.620

1 Which one is more effective for attacking the system, controlling 51% of the mining power or 51% of the full nodes? 2018-01-19T05:34:06.643

1 Is the statement that LN hot wallets will be less secure than non LN hot wallets correct? 2018-01-30T05:25:41.413

1 Safely transferring from a paper wallet 2018-02-05T16:18:00.660

1 How to check if a program is mining crypto in the background 2018-02-25T07:18:18.967

1 Forking Bitcoin how to prevent a 51% majority attack 2018-02-28T19:47:10.590

1 What bad things could happens if Bitcoind RPC is public? 2018-03-02T04:27:31.597

1 Is "fee higher than block reward" attack possible? 2018-03-11T19:17:28.153

1 Why do the biggest exchanges reuse Bitcoin addresses if doing so is unsafe? 2018-04-14T18:48:54.750

1 Is Lightning network really a hope for better scalability and low latency? 2018-05-05T19:43:25.967

1 Given that you have the necessary computing power, how does a tampered blockchain get accepted by the network? 2018-05-11T09:42:21.083

1 Possibility of broadcasting new block to only a fraction of honest nodes? 2018-07-26T20:10:27.653

1 How to protect a crypto currency from Seed failure 2018-08-02T16:40:02.347

1 Delegated Proof of Stake (DPOS) vs. Proof of stake? 2018-08-14T14:22:40.897

1 How to store private key in MySQL database? 2018-09-14T22:02:48.000

1 Review sites for the hardware wallets? 2018-10-06T12:07:15.970

1 Can't understand specific problem of Bitcoin anonymity 2018-10-08T12:50:05.270

1 Have there been any examples of people manipulating transactions in a way that waiting for more than 1 confirmation would avoid? 2018-10-19T13:39:03.543

1 What would happen if I publish a modified version of an earlier block? Would it be rejected immediately by peer nodes? 2018-10-20T05:17:25.110

1 Security of Bitcoin Wallet 2018-11-20T21:31:38.087

1 Sybil attack with IOTA? 2018-11-21T12:39:39.277

1 How does using a Turing-complete programming language compromise the security of the network? 2018-12-04T12:07:20.893

1 Security implications of removing CHECKSIG in a test 2018-12-30T11:41:30.723

1 How could an LN node acquire inbound liquidity? Is there any systemic risk? 2019-02-19T16:17:03.550

1 How secure is using TOR in Lightning Network? 2019-02-27T13:38:08.143

1 Why was noise XK fundamental pattern chosen in the transport layer (BOLT 08) of the lightning network 2019-03-13T11:07:12.567

1 Does Bitcoin security rely on the assumption of nearly continuous transactions? 2019-04-12T13:30:50.147

1 What’s the purpose of checking for input overflow? 2019-04-21T15:40:43.850

1 Is it possible to separate blockchain and wallet functions? 2019-05-22T08:58:27.097

1 What makes Bitcoin transaction secure against attackers/hackers? 2019-07-20T10:55:26.767

1 Prove that xpub matches xprv? 2019-08-07T06:06:48.807

1 Organization to keep track of wrongfully obtained bitcoins 2019-08-23T00:03:36.983

1 Can a blockchain's transactions be reversed? 2019-10-15T13:58:09.023

1 Whose to stop the coinbase devs from just draining all accounts and running of with the money? 2019-10-15T14:30:03.703

1 Why one miner can dig out many blocks continually in one moment? 2019-11-12T03:43:41.527

0 Bitcoin transaction anonymity 2012-02-28T22:25:47.993

0 Do the DNS servers make Bitcoin more secure than the IRC channel? 2012-05-01T17:16:47.327

0 How secure is a private key? 2012-08-06T15:08:29.543

0 Is the scripting system an incalculable security risk? 2013-02-14T14:45:07.227

0 Possible to include a per miner transaction to prevent withholding and independent rebroadcast of a solved block? 2013-02-28T06:28:38.533

0 What files do I need for backing up my wallet? 2013-03-12T00:15:06.317

0 Could mining calculations be used to crack private key? 2013-03-18T04:58:28.957

0 What's the impact of net-splits on block generation... over a long period of time? 2013-03-26T20:23:47.607

0 A few security-related questions: how do I automate a web service as much as possible without storing private keys on server? 2013-08-13T11:55:43.447

0 Sweep transaction issue 2013-08-15T17:57:14.580

0 Does Dojima (trading platform) have access to my funds? 2013-08-26T14:58:33.017

0 GUI miner not working properly (slush's pool) 2013-10-14T15:36:18.477

0 Is there a tutorial on how to set up a secure enviroment and use Electrum? 2013-11-23T15:16:06.880

0 Can I modify the source code of Bitcoin to generate addresses people have already used? 2013-11-24T21:12:58.807

0 How is the security of Mastercoin different than that of Bitcoin? 2013-12-04T09:49:28.390

0 Bitcoins lose their value over time.. or do they? 2013-12-09T18:12:30.880

0 Quarkcoin money supply and hashing 2013-12-10T01:03:29.947

0 Purpose of difficulty? 2013-12-13T18:19:11.490

0 Does a 51% attack depend upon difficulty? 2013-12-20T04:19:11.580

0 Can an attacker change an old block without changing the checksum? 2013-12-23T18:29:51.877

0 Is the Trusted Third Party an advantage or disadvantage in regards to wallet security? 2013-12-27T21:08:28.363

0 Bitcoin security/vulnerability on computer backed up by cloud? 2014-01-25T11:06:58.233

0 How does this OpenCL BTC private-key cracker work? Is it a real threat to bitcoins? 2014-01-29T00:44:17.247

0 Are pseudo-random number generation algorithms good enough to cover all possible Bitcoin addresses? 2014-02-04T18:38:56.920

0 bitcoin wallet validation/vetting 2014-02-18T18:16:17.580

0 Paper wallet generated client side and off network is not necessarily secure 2014-03-08T17:12:35.400

0 Proof of solvancy 2014-03-14T05:53:51.350

0 What are the methods for getting an old, used windows P.C. ready for secure Bitcoin usage? 2014-03-22T13:34:39.317

0 How do I reset my TFA token in Coinbase? 2014-09-19T03:24:22.190

0 How can address' hash160 be used to determine information for malicious purposes? (Ie reusing of the same address) 2014-10-01T06:07:54.483

0 How can I be sure that bitcoin mining software is not compromised? 2015-01-07T04:47:58.680

0 Pseudo-Node and putative attack vectors on the network 2015-02-15T00:26:43.807

0 Is an unencrypted wallet secure if bitcoind is not accepting RPC calls? 2015-03-10T01:18:42.843

0 Faking transaction? 2015-07-12T18:30:02.807

0 What happens to Bitcoin wallet / Bitcoins if PC is stolen 2015-08-15T14:12:39.997

0 Bitcoin adresses seem not to be collision resistant. Please tell me I am wrong 2016-04-06T09:17:14.350

0 Double Spend Attack 2016-05-13T16:17:26.483

0 Spying on a bitcoin user after knowing all of their addresses 2016-11-18T20:44:27.003

0 Why Bitcoin does not user bcrypt for hashing? 2016-11-20T12:06:32.440

0 Payment Channels - Securing the private key that locks client funds 2016-11-23T18:39:23.187

0 What would stop this kind of attack? 2017-02-23T22:36:45.520