User Badr Bellaj

34 votes

What does the curve used in Bitcoin, secp256k1, look like?

answered Oct 4, 2016 at 19:03

12 votes

Is it possible to get the public key of a bitcoin address I do not have the private keys for with the standard client?

answered Oct 6, 2016 at 11:38

5 votes

How long would it take a large computer to crack a private key?

answered Oct 7, 2016 at 17:57

5 votes

What is a compressed Bitcoin key?

answered Oct 6, 2016 at 11:29

4 votes

How to store data on the blockchain?

answered Feb 5, 2016 at 0:34

3 votes

Accepted

bitcoin smartcontract feature

answered Dec 12, 2016 at 17:21

3 votes

Different error messages under "Mandatory script verify flag failed."

answered Aug 12, 2017 at 9:24

3 votes

What does "operation not valid with the current stack size" mean?

answered Aug 12, 2017 at 11:40

2 votes

How to connect to bitcoind from ruby rpc client?

answered Aug 21, 2017 at 15:39

2 votes

Should we still mine nowadays with CPU/GPU?

answered Jun 7, 2017 at 19:15

2 votes

Accepted

Can't run Bitcoin Core 0.13.1

answered Dec 12, 2016 at 17:49

2 votes

Is freebitco.in legit site?

answered May 15, 2017 at 20:30

2 votes

Bitcoinj How to create multi-signature address using bitcoinj

answered Feb 5, 2016 at 21:14

2 votes

What does the keypoololdest field mean?

answered Oct 13, 2016 at 16:42

1 vote

Accepted

Restore a wallet from an external drive?

answered Feb 5, 2016 at 21:22

1 vote

Accepted

How do I check if an address belongs to my wallet using bitcoinJ?

answered Feb 4, 2016 at 12:22

1 vote

How can I get the input addresses of a transaction in Java?

answered Feb 4, 2016 at 13:30

1 vote

Can't install Bitcoin

answered Dec 16, 2016 at 16:11

1 vote

How does Blockchain as a Service (BaaS) work?

answered Jan 12, 2017 at 21:29

1 vote

Why do we need Proof of Work in bitcoin?

answered Feb 9, 2017 at 21:26

1 vote

Accepted

Which Bitcoin thin client that can execute on restricted IoT devices?

answered Jun 9, 2017 at 19:30

1 vote

How security is managed in Cryptocurrencies with no mining possibility

answered Jun 10, 2017 at 12:10

1 vote

Accepted

Can someone show me an example rootstock smart contract that is the equivalent of an Ethereum Smart Contract?

answered Aug 27, 2017 at 20:26

1 vote

How to uninstall Bitcoind from ubuntu server?

answered Oct 10, 2017 at 21:07

1 vote

Accepted

rootstock current state

answered Jun 5, 2017 at 14:52

1 vote

How to add seed nodes in altcoin?

answered Jun 12, 2018 at 12:19

0 votes

Do we know which mining software Satoshi used?

answered Dec 28, 2017 at 21:59

0 votes

Mining computer graphics driver yes or no?

answered Jun 9, 2017 at 19:25

0 votes

Bitcoin.conf doesn't exist in my Windows 10

answered Aug 21, 2017 at 20:54

0 votes

Accidentally sent to my own receiving address, will I get back my bitcoins?

answered May 3, 2017 at 12:12

Stack Exchange Network

32 Answers

What does the curve used in Bitcoin, secp256k1, look like?

Is it possible to get the public key of a bitcoin address I do not have the private keys for with the standard client?

How long would it take a large computer to crack a private key?

What is a compressed Bitcoin key?

How to store data on the blockchain?

bitcoin smartcontract feature

Different error messages under "Mandatory script verify flag failed."

What does "operation not valid with the current stack size" mean?

How to connect to bitcoind from ruby rpc client?

Should we still mine nowadays with CPU/GPU?

Can't run Bitcoin Core 0.13.1

Is freebitco.in legit site?

Bitcoinj How to create multi-signature address using bitcoinj

What does the keypoololdest field mean?

Restore a wallet from an external drive?

How do I check if an address belongs to my wallet using bitcoinJ?

How can I get the input addresses of a transaction in Java?

Can't install Bitcoin

How does Blockchain as a Service (BaaS) work?

Why do we need Proof of Work in bitcoin?

Which Bitcoin thin client that can execute on restricted IoT devices?

How security is managed in Cryptocurrencies with no mining possibility

Can someone show me an example rootstock smart contract that is the equivalent of an Ethereum Smart Contract?

How to uninstall Bitcoind from ubuntu server?

rootstock current state

How to add seed nodes in altcoin?

Do we know which mining software Satoshi used?

Mining computer graphics driver yes or no?

Bitcoin.conf doesn't exist in my Windows 10

Accidentally sent to my own receiving address, will I get back my bitcoins?