Preventing Signature Replay on Solana with Ed25519 Native Programs When using the Native Ed25519 Program on Solana to verify a message signature, it’s essential to implement measures to prevent replay attacks. One common technique is to add a pre-instruction that contains the signature, message, and public key of the sender. In this article, we’ll explore…
I can help you with that. Here’s a step-by-step guide on how to retrieve the number of confirmed transactions from a Bitcoin-QT (Bitcoin-Qt) node with an empty wallet using the QRpc API: Prerequisites You need to have a Bitcoin-QT node set up and running. You need to install the bitcoin-qt-rpc package in your project. If…
Unlocking Bitcoin Private Keys: A Step-by-Step Guide to Recovering BIP-39 Mnemonics As cryptocurrency grows, losing access to your private keys can be a daunting prospect. One common problem is the loss or theft of the 24 mnemonic phrases used to configure your wallet or store keys. However, possessing the corresponding 25th word, the key piece…
Ethereum: Anomalous 2.7 BTC Transaction Fee Observed In the world of cryptocurrency transactions, fees are an essential aspect that can significantly impact the cost of performing certain operations on the Ethereum blockchain. The recent observation of a 2417-byte transaction with a 2.7 BTC transaction fee is causing quite some buzz in the crypto community. As…
Token Market Watch: Crypto Trends and Insights for Investors In today’s rapidly evolving crypto market, investors are constantly seeking to stay ahead of the curve. One crucial metric that has gained significant attention in recent months is Moving Average Convergence Divergence (MACD), a powerful indicator used by traders to gauge price momentum. Additionally, the Ethereum…
Understanding the Requirements: What Version of Bitcoin Core Do I Need for My Dell Laptop? As a user who wants to download and install Bitcoin Core on your Dell laptop running Ubuntu, it is important to understand the version of software you need. Bitcoin Core is the core component that allows users to mine or…
Sending BNB from ETH to BSC with Metamask As a Metamask user, you are probably familiar with the process of sending cryptocurrency from one wallet to another. However, Metamask becomes more and more difficult for beginners. In this article, we will tell you how to send BNB (Binance Coin) from your mainnet ETH (Ethereum) wallet…
“Systemic Risks of Crypto Trading: The Unseen Danger Lurking in the Shadows of Volatility” The world of cryptocurrency trading has experienced unprecedented growth and popularity over the past decade, with millions of investors worldwide participating in this rapidly evolving market. However, beneath the surface of this seemingly lucrative industry lies a hidden danger that threatens…
Metamask Integration in Solidity: Retrieving Encrypted Public Keys As a developer working with decentralized applications (dApps) built on Ethereum, you are probably familiar with using MetaMask to secure your accounts. In this article, we will explore how to integrate Metamask into a Solidity smart contract using public key encryption. What is public key encryption? Public…
The use of artificial intelligence (AI) in algorithmic trading has become increasingly popular in recent years, especially in the cryptocurrency market. With AI technology rapidly advancing, it is crucial to understand how it is applied in this field and what its benefits can be. What is algorithmic trading? Algorithmic trading involves the use of computer…