Learn how to create a blockchain peer-to-peer network using Node.js. This step-by-step guide covers everything from creating a basic P2P network to setting up a name-value database and creating an API. — In this practical guide, we explore the code behind creating a fully functional blockchain prototype using Node.js. Our examples are designed to be easy to understand for anyone who wants to learn about blockchain technology. By the end of this article, you’ll have a better understanding of how to create…

Create a Letter of Credit workflow on Bitcoin — Introduction A Letter of Credit (LC) is a well-established financial instrument in international trade, ensuring that a seller receives payment for goods shipped. In the age of blockchain and cryptocurrencies, there’s potential to revolutionize the LC process using Bitcoin. In simple words: An LC is like a promise note issued by…

How Lightning Network Enables Micro-Transactions on Bitcoin — Introduction Micropayments, often just a few cents or fractions thereof, have a transformative potential in online services. However, traditional blockchain transactions have limitations that make such small payments impractical. Enter the Lightning Network, a solution poised to revolutionize the way we think about Bitcoin transactions.

Create a secure Bitcoin escrow with Node.js and bitcore-lib. Safeguard transactions for buyers and sellers alike. — Introduction In the digital age, ensuring secure online transactions is paramount. A Bitcoin multi-signature escrow offers a decentralized solution, safeguarding both buyers and sellers. This article delves into creating such an escrow service using Node.js and bitcore-lib. What is a Multi-Signature Transaction?

A time-locked transaction includes a parameter specifying a time before which the transaction cannot be added to the blockchain. This means that even if the transaction is broadcasted to the network, it will remain in a ‘pending’ state until the time lock has expired. Use Cases: Savings or Trust Funds ₿: Individuals…

Child Pays for Parent (CPFP) is a mechanism used in the Bitcoin network to prioritize an unconfirmed transaction by attaching a higher fee to a subsequent transaction, which is dependent on the unconfirmed one. …

Delve into Digital Signatures with ECDSA, Node.js and BitcoinJS — Bitcoin has rapidly evolved into an Internet sensation since its inception in 2009. At the core of its framework lies robust cryptography methods, which ensure secure and private transactions within the decentralized network. In this post, we will dive deep into one such cryptography method — the Elliptic Curve Digital…

Set up a fundraising campaign, donate in MATIC, generate a receipt, and withdraw the amount — Let’s build a full-stack web3 application for fundraising. We will use Next.js, material-UI, cryptocompare (for ETH — USD conversion), truffle, web3modal, and OpenZeppelin contracts to create our Web3 application. Functions: Create a fundraising campaign Users can donate in MATIC Converting ETH — USD to avoid donation mistakes

Simplify the operation of the agriculture supply chain network — Agriculture plays a vital role in feeding and clothing the world’s seven billion citizens. Over 25% of the world’s population is employed in the agricultural sector. Agriculture supply chains have formed as long and complex networks of production, processing, distribution, and marketing channels in order to meet demand in a…