Bitget detects irregularity in VOXEL-USDT futures, rolls back accounts

Cryptocurrency exchange Bitget discovered “abnormal trading activity” on the VOXEL/USDT perpetual futures contract on April 20, between 8:00 to 8:30 UST, and paused accounts that the exchange suspected of market manipulation. According to an April 20 announcement from the exchange, Bitget will roll back the accounts suspected of market manipulation within 24 hours, clawing back … Read more

How to Prompt Engineer Phi-3-mini: A Practical Guide

Prompts are basically our requests or inputs to AI models. Prompt engineering, as the name suggests, is about going a little deeper than basic prompts by creating specialized inputs that (more) effectively guide AI models to produce near-perfect outputs. You don’t necessarily have to use a programming language or an IDE for this, as most … Read more

Your AI Just Got a Brain (and Maybe a Will): A Friendly Intro to Agentic AI

You’ve probably played around with AI tools—ChatGPT, image generators, maybe even some automation stuff. Cool, right? But here’s the thing most people haven’t realized yet: We’re moving from AI that responds… to AI that acts. This shift is what agentic AI is all about. And yeah, that sounds techy—but by the end of this article, … Read more

Your politeness could be costly for OpenAI

“I wonder how much money OpenAI has lost in electricity costs from people saying ‘please’ and ‘thank you’ to their models.” It was a seemingly random question posed by a user on X (formerly Twitter), but OpenAI CEO Sam Altman jumped in to reply that typing those words has added up to “tens of millions … Read more

Refactoring 027 – How to Remove Getters

Unleash object behavior beyond data access TL;DR: Remove or replace getters with behavior-rich methods that perform operations instead of exposing internal state. Problems Addressed 😔 Anemic objects Excessive coupling Lost encapsulation Essence Mutation Law of Demeter violations Information leakage Exposed internals Primitive Obsession Related Code Smells 💨 https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiv https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-i-xqz3evd https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiii https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiv https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xxix https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiv https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-xiii https://hackernoon.com/how-to-find-the-stinky-parts-of-your-code-part-i-xqz3evd … Read more

Chart of the Week: ‘Dire Picture’ for BTC Miners as Revenue Flatlines Near Record Low

Hashprice, a key metric used to gauge miner revenue, is currently hovering near a five-year low, according to HashRate Index—a stark reminder of how difficult the mining business has become. In simple terms, the metric is the income miners can expect per unit of computing power, denoted by per petahash (PH/s). It can be denominated … Read more

Vitalik Buterin proposes swapping EVM language for RISC-V

Ethereum co-founder Vitalik Buterin has proposed replacing the current Ethereum Virtual Machine (EVM) contract language with the RISC-V instruction set architecture to improve the speed and efficiency of the Ethereum network’s execution layer. Buterin’s April 20 proposal outlined several long-term bottlenecks for scaling the Ethereum network including, stable data availability sampling, ensuring block production remains … Read more

The HackerNoon Newsletter: How Clapper is Revolutionizing the Creator Economy (4/20/2025)

How are you, hacker? 🪐 What’s happening in tech today, April 20, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, we present you with these top quality stories. From Escape Prompt Hell With These 8 Must-have Open-source Tools to How Clapper is Revolutionizing the Creator Economy, let’s dive … Read more