Bitcoin

Great Reads

by Marc Clifton

Hashcash is a proof-of-work system used to limit email spam and denial-of-service attacks, and more recently has become known for its use in bitcoin (and other cryptocurrencies) as part of the mining algorithm.

How I Hacked Bitcoin Mining Pool

by Ernie M. Bonilla

Overview of potential vulnerabilities and threats

Getting Started With Arduino

by charankumar516

Absolute Beginner's Guide to Arduino

RingCentral SMS and Bitcoin Vault

by BADGROOVY

A quick article on how to receive an SMS using RingCentral when Bitcoin Vault cryptocurrency changes price

Latest Articles

HSMs For Cryptos: Bitcoin, ETH & Stuff

by F. Aro

Using HSMs for Crypto Wallets Creation, Storage and Transactions Signing for Bitcoin, Ethereum

HiddenBitcoin: High level C# Bitcoin Wallet Library - Monitor Your Wallet (Part 2 - Lesson 2)

by Ádám Ficsór

Quickstart to Bitcoin wallet development in C#

NBitcoin: How to Scan the Blockchain?

by Nicolas Dorier

An efficient and extensible way to scan the Blockchain

RingCentral SMS and Bitcoin Vault

by BADGROOVY

A quick article on how to receive an SMS using RingCentral when Bitcoin Vault cryptocurrency changes price

All Articles

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Bitcoin

HSMs For Cryptos: Bitcoin, ETH & Stuff

28 Oct 2022 by F. Aro

Using HSMs for Crypto Wallets Creation, Storage and Transactions Signing for Bitcoin, Ethereum

Javascript

Node.js

blockchain

Ethereum

cryptocurrency

hsm

Bitcoin

How to prevent and remove viruses, malware and remote attacks on antminer?

6 Jan 2022 by OriginalGriff

This is not a software development question, and thus not relevant to this site. Try contacting the manufacturers of the software as they should be able to help a lot quicker and better than we could.

Bitcoin

L3+ control board troubleshooting

30 Dec 2021 by WYSALISA

First, confirm that the DHCP mode of the network has been turned on and whether the router and network cable are normal, and then reset the miner to factory settings. If it still does not work, the control board needs to be repaired or replaced...

Bitcoin

L3+ control board troubleshooting

28 Dec 2021 by vsdvs211

I want to know what is the way to troubleshoot the L3+ control board? After I changed the network, the miner could not obtain the IP address. What I have tried: I have tried to set a static IP, modify the IP or to get relief, but the effect...

Bitcoin

HiddenBitcoin: High level C# Bitcoin Wallet Library - Monitor Your Wallet (Part 2 - Lesson 2)

21 Aug 2021 by Ádám Ficsór

Quickstart to Bitcoin wallet development in C#

.NET

Bitcoin

NBitcoin: How to Scan the Blockchain?

5 Mar 2021 by Nicolas Dorier

An efficient and extensible way to scan the Blockchain

RingCentral SMS and Bitcoin Vault

19 May 2020 by BADGROOVY

A quick article on how to receive an SMS using RingCentral when Bitcoin Vault cryptocurrency changes price

Base 58 encoding in C language

27 Mar 2020 by Richard MacCutchan

OK, this is what it is: Base58Check encoding - Bitcoin Wiki[^]

Base 58 encoding in C language

27 Mar 2020 by Asish6542165

I have a function that returns a bitcoin address but I want to perform base58check encoding on it to convert it to a bitcoin address. unsigned char address[]="008f26a17cbbc941a9dbe63a1f1c69591f08aab94bd586ad5e" The address is stored in an...

Qcwá; tdk h, v; ori epaorkctj; , paekc.gw, pwrg.

23 Mar 2020 by steveb

Send me 1 million USD I'll hack it together

I have a question? Please follow this link

22 Mar 2020 by k5054

looking back at your original question, you had const unsigned char* rawdata = "046EAF0968AA895ADDFEE599566F0B880242461D1377F4887C9B84631E13067B96DB18C41E0C208F8D12EBCC3F99F2522903AF6105833E4CBADE9D6A1D0F039187"; unsigned long n =...

Bitcoin

OpenSSL

cryptography

I have a question? Please follow this link

22 Mar 2020 by Asish6542165

just follow this link. SHA256 and RIPEMD160HASH in C program[^] when I replace const unsigned char* rawdata =...

Bitcoin

OpenSSL

cryptography

I have a question? Please follow this link

22 Mar 2020 by steveb

when you are using an initialization list (your 2nd case) you need to change your declaration to: const unsigned char rawdata[] = { 0x04, 0x6E, 0xAF, 0x09, 0x68, 0xAA, 0x89, 0x5A, 0xDD, 0xFE, 0xE5, 0x99, 0x56, 0x6F, 0x0B, 0x88, 0x02, 0x42, 0x46,...

Bitcoin

OpenSSL

cryptography

RIPEMD160 hash in C language

19 Mar 2020 by CPallini

What about The Documentation[^]? Looks you are unfamiliar with the documentese (you should fix that as soon as possible). try const char mystr = "My Beautiful String"; // first parameter is the input string unsigned long len = strlen(...

Bitcoin

cryptography

RIPEMD160 hash in C language

19 Mar 2020 by Asish6542165

I want to code a c program to perform ripemd160 hash on a char array. But I cannot figure out how could I do it. Can anyone suggest a c code to do the following? What I have tried: I came across this function in OpenSSL but I cannot figureout...

Bitcoin

cryptography

RIPEMD160 hash in C language

19 Mar 2020 by OriginalGriff

Have you considered reading the documentation: /docs/man1.0.2/man3/RIPEMD160.html[^] at all?

Bitcoin

cryptography

C program to calulate sha256 and ripemd160 hash of a char array

19 Mar 2020 by OriginalGriff

Repost: Deleted. Please do not post the same question multiple times: it duplicates work and that annoys people. Annoying people is not the best way to get them to help you ...

Sha256 and ripemd160 hash implementation in C language.

19 Mar 2020 by OriginalGriff

You seem to be a little confused: Quote: If you replace the public key with any string which is small enough it will work correctly. SHA is a hashing algorithm, not an encryption algorithm - it doesn't use a key, public or private. Hashing...

Bitcoin

cryptography

Sha256 and ripemd160 hash implementation in C language.

19 Mar 2020 by Asish6542165

I want some help with the implementation of sha256 and ripemd160 hash in the c program. Does anyone know how can I perform sha256 on a char array? I wrote a code #include #include #include int main...

Bitcoin

cryptography

Source code generation wallet adress and secret key

15 Mar 2020 by Richard MacCutchan

This is not a question that anyone here can answer. You need to do your own research into creating secure objects and processes.