#ConsensusMechanisms

[guillaumelauzier]

Fundamentals of Building a Blockchain

The blockchain is a transformative technology that has had a profound impact on various sectors from finance to supply chain management. While the journey to master blockchain development is a complex one, understanding its fundamentals is the first step towards proficiency. This article delves into these essential building blocks of creating a blockchain.

1. Understanding Blockchain Basics

Before you build a blockchain, it's crucial to understand its core elements: - Blockchain Structure: A blockchain is a distributed ledger of transactions, organized into blocks. Each block contains a list of transactions, a reference to the previous block (through its hash), and the block's unique hash. This chain of blocks forms the blockchain. Creating a blockchain structure involves creating a data structure to store blocks, and each block will contain a set of transactions. For simplicity, we'll create a simple blockchain structure where each block stores a string as data. Also, we'll use the SHA-256 cryptographic hash function to create the hash for each block. Here's a simple C++ implementation: #include #include #include #include using namespace std; // Function to calculate SHA256 string calculateSHA256(string data) { unsigned char hash; SHA256_CTX sha256; SHA256_Init(&sha256); SHA256_Update(&sha256, data.c_str(), data.size()); SHA256_Final(hash, &sha256); stringstream ss; for(int i = 0; i < SHA256_DIGEST_LENGTH; i++) { ss - H is the current block's hash - PH is the previous block's hash - D is the current block's data - '+' indicates concatenation of the strings - Hash is the SHA-256 cryptographic hash function - Read the full article

[akkenna-technologies]

Empower your business with cutting-edge blockchain solutions!

From smart contracts to decentralized applications, we've got you covered.

☎️ Call us at +91 74185 55205 🌐 Visit our website at https://akkenna.com/

[sifytech]

Of power-saving consensus mechanisms and blockchains

Blockchain projects have received their fair share of rap thanks to the energy consumption. But this may change with the usage of power-saving mechanisms. Read More. https://www.sify.com/technology/of-power-saving-consensus-mechanisms-and-blockchains/

[supedium]

Scalability Solutions for Cryptocurrency: A Comprehensive Overview

https://supedium.com/cryptocurrency-and-web3/scalability-solutions-for-cryptocurrency-a-comprehensive-overview/ #blockchain #consensusmechanisms #Cryptocurrency #Layer1Solutions #Layer2Solutions #scalability Scalability Solutions for Cryptocurrency: A Comprehensive Overview https://supedium.com/cryptocurrency-and-web3/scalability-solutions-for-cryptocurrency-a-comprehensive-overview/

[supedium]

Proof of Work vs. Proof of Stake: A Comprehensive Comparison

https://supedium.com/cryptocurrency-and-web3/proof-of-work-vs-proof-of-stake-a-comprehensive-comparison/ #blockchaintechnology #consensusmechanisms #Cryptocurrency #energyefficiency #ProofofStake #ProofofWork Proof of Work vs. Proof of Stake: A Comprehensive Comparison https://supedium.com/cryptocurrency-and-web3/proof-of-work-vs-proof-of-stake-a-comprehensive-comparison/