Ethereum: Create/set “subId” by createSubscription() and get “subId” vrfCoordinatorV2_5Mock calling by javascript in hardhat environment
I can provide you with an article based on the given specification. Please note that I will assume that the createSubscription(), getSubId() functions are already implemented and available in the JavaScript code. Ethereum: Creating and Setting SubIDs Using VRF Coordinators In this article, we will explore how to create and set subids using VRF (Verifiable […]
Bitcoin: Easiest way to get Bitcoin out of my a bitcoinj wallet?
Getting Rid of Bitcoinj Wallet: A Guide to Recovering Your Bitcoin As a Bitcoin enthusiast, you’ve probably experienced the thrill of getting your own Bitcoins through a wallet like Bitcoinj. However, when it comes time to access your coins, you may find that the key to the network coins (i.e. the original 1 BTC and […]
How to Build a Secure Profile on P2P Platforms
How to Create a Secure Profile on P2P Platforms Creating a secure profile is crucial when using peer-to-peer (P2P) platforms, as it allows users to share and manage their content with others in a way that is both private and protected from unwanted access. However, P2P platforms are vulnerable to various types of attacks, including […]
Ethereum: Blockchain-based polling/voting systems
Ethereum: Blockchain-based Poll/Voting Systems In recent years, the concept of blockchain technology has gained significant traction in various applications, including electoral systems. One such application is Ethereum-based poll/voting systems, which provide a secure and transparent way to conduct elections. In this article, we explore the best ways to ensure that no one votes more than […]
Bitcoin: How do I install Electrum Personal Server with bitcoind v28.0 on a RPi4?
Installing Electrum Personal Server with bitcoind v28.0 on a RPi4 – A Troubleshooting Guide As a Bitcoin enthusiast, you are not alone in trying to set up Electrum Personal Server on your Raspberry Pi 4. Despite the popularity of Electrum and Bitcoind, these two desktop clients can sometimes have compatibility issues. In this article, we […]
Ethereum: Do we still need SIGHASH_NOINPUT for Lightning Network?
The Evolution of SIGHASH_NOINPUT on Ethereum and Its Place in the Lightning Network In the early days of the Lightning Network, Joseph Poon’s original whitepaper proposed a crucial feature: SIGHASH_NOINPUT (SIGHASH) was to be used as a condition for creating a confirming transaction that referenced another transaction without actually confirming it. However, this approach has […]
Fee, Swap, Trading Psychology
The Psychology of Cryptocurrency Trading: Understanding Fees and Swaps The world of cryptocurrency has evolved rapidly since its inception in 2009. With the rise of platforms like Bitcoin, Ethereum, and others, the market has become increasingly liquid and accessible to a wider range of investors. However, cryptocurrency trading comes with a multitude of complexities, including […]
Ethereum: What is meant by transaction ‘pinning’?
Ethereum: What is Meant by Transaction “Pinning”? Ethereum, one of the most prominent and widely used blockchain platforms, has introduced a feature known as transaction pinning. This concept might seem complex at first glance but can be broken down into several key aspects to understand its significance. What is Pinning? In simple terms, transaction pinning […]
The Essential Guide to Hardware Wallets for Crypto Beginners
The Essential Guide to Hardware Wallets for Crypto Beginners As a cryptocurrency investor, you’re likely no stranger to the world of digital assets. From Bitcoin to Ethereum, there’s more money out there than ever before. However, managing your cryptocurrencies can be daunting, especially when it comes to securing them online. That’s where hardware wallets come […]
Securing Your Crypto: Hot vs. Cold Wallets Explained
How to Protect Crypto: A Guide to Hot and Cold Wallets The world of cryptocurrencies has exploded in recent years, and many individuals and institutions are looking to diversify their portfolios and participate in this lucrative market. However, as the number of new cryptocurrencies and wallets increases, so does the risk of theft, hacking, and […]