Categoria: CRYPTOCURRENCY

User Authentication with PersonalSign in Ethereum on MetaMask As an Ethereum developer, you are probably familiar with the importance of user authentication and verification in your applications. In this article, we will explore how to authenticate a user with their Ethereum account using the MetaMask personalSign feature. What is PersonalSign? PersonalSign is a proprietary signing…

Here is an article based on your problem statement: Ethereum: Parsing JSON with jq and vm.ffi/FFI When working with data returned by a conversion call, parsing JSON can be a crucial step to extract relevant information. However, when using the jq command-line tool or the vm.ffi FFI (Foreign Function Interface) module on Ethereum, you may…

Here is an article on crypto, reversal patterns, Proof-of-Stake (PoS), and the coin: Title: “Cryptocurrency Alert: Understanding Reversal Patterns in Crypto Markets” As the cryptocurrency market continues to fluctuate at breakneck speed, traders are constantly looking for opportunities to profit from these markets. One popular strategy among investors is identifying reversal patterns, which involves predicting…

The Rise of AI-Enhanced Monitoring in Crypto Compliance: A Critical Imperative The cryptocurrency market is rapidly evolving, with new players entering the scene and existing ones adapting to changing regulations. As a result, compliance has become an increasingly important aspect of running a successful cryptocurrency business. One area where artificial intelligence (AI) can play a…

Understanding Solana Account Signatures: A Guide to Identifying Missing Signers Solana, a blockchain-based platform, uses account signatures to manage user permissions and access control. However, as you astutely point out, there are cases where an account may not have a signer key, raising questions about its validity and usability. Solana Account Signature Basics In Solana,…

Ethereum Connection Refused: A Troubleshooting Guide When attempting to connect to the Ethereum network using a WebSockets client, such as curl in a container running Ubuntu 16.04, you may encounter an error message indicating that the connection was refused by the Ethereum node. In this article, we will explore the possible reasons behind this error…

Here is a step-by-step guide on how to set a transaction fee on Multibit: Setting a Transaction Fee on Multibit Multibit is a popular cryptocurrency exchange that allows users to buy, sell, and trade various cryptocurrencies. One of its main features is the ability to set custom transaction fees for merchants. Step 1: Open Your…

Ethereum: Ending support for RPC-cookie authentication An update to the Ethereum protocol specifically designed for local Bitcoin Core (BTC) instances has recently been released. As part of this change, the configuration parameters “rpcuser” and “rpcpassword” were deprecated. Why did the changes happen? The Ethereum team discovered a security vulnerability related to the use of cookie-based…

Navigating P2P Transactions: Tips for Large Crypto Withdrawals In the world of cryptocurrency, peer-to-peer (P2P) transactions have become increasingly popular. These transactions allow individuals to transfer cryptocurrencies directly with each other without going through a central authority or intermediary. However, navigating these transactions can be complex, especially when it comes to large crypto withdrawals. Understanding…

Ethereum: Discovering Public Repositories for Coin Logos As the creator of Ethereum, one of the most popular blockchain platforms, you probably know the importance of showcasing your cryptocurrency logos. However, if you are developing a cryptocurrency-related application, you need to ensure that the necessary APIs and repositories are publicly available. In this article, we explore…