In traditional blockchains, block propagation occurs through a peer-to-peer network in which new blocks and transactions are broadcast to all propagating nodes. This process usually happens sequentially or is flooded. However, this method is not scalable, as it becomes difficult to manage as the network grows due to the sheer number of communications. Let’s consider … Read more
A special thanks to Emmanuel Awoskia (2077 Collective), Zaddycoin (Shoal Research), Brady and Lostin (Helius), Dankrad, Bithiah Koshy (StablesMusings), Benjamin Sturisky (Starknet), Ceteris, Ashwath, and Yusuf (Delphi Digital), Pavel Paramonov, Fikunmi (Eclipse), Alex Hook (Untronfi), and Mhykhael (Alea Research) for their feedback, inspirations, and insights. What are Consensus Mechanisms? Consensus mechanisms are the guardrails in a blockchain network that ensure that all participants in the network agree on one source of truth to provide reliability along the network. These … Read more
Key Takeaways Solana uses a peer-to-peer gossip protocol based on the Plumtree algorithm, allowing decentralized communication between nodes to propagate state changes efficiently across the network without relying on a central source. Every 0.1 seconds, Solana nodes exchange “push” and “pull” messages, ensuring continuous and up-to-date information sharing to maintain rapid data dissemination and synchronization … Read more
The Significance of Data Recovery in L1 For Layer 1s to function, they rely on transaction data, smart contract data, program instructions, transaction history, etc. Ensuring the recoverability of this data is key for blockchains to remain functional and immutable. Every blockchain supports data recovery; however, the method of data recovery differs: Solana uses the … Read more
Why I built CypherGoat Ever since I first got into crypto I have been building products to make using crypto easier. In early 2022 I co-founded RubyTrades a (kind of p2p) non kyc fiat on ramp that allowed users to buy and sell crypto using PayPal. Although it was not as successful as we had … Read more
Motivation is a huge thing when it comes to learning programming. Oh man, it is. I knew that when I was starting, but I wasn’t aware of just how important it would be later. I actually wonder if I’d even be able to do this if it weren’t for my schedule and the kind of … Read more
Picture this: Your AI assistant just wrote flawless code, generated a beautiful presentation, and drafted the perfect email. But when you ask it to check your calendar and schedule a meeting? “I’m sorry, I don’t have access to your calendar.” In 2025, this frustrating disconnect is finally becoming a relic of the past. While everyone’s … Read more
In this article I’m going to talk about the lifecycle and states of apps for iPhone and iPad. But wait—why should you care? Let me explain: n n By understanding how an app moves through states, you can catch sneaky bugs, simulate real-world scenarios and make sure everything runs smoothly—even when the app is doing … Read more
Sprint Reviews are held on the last day of every sprint. Different teams may have different length sprints, but in general, a Sprint is either two or three weeks. Therefore, sprint review meetings are held every two or three weeks (always on the last day of the sprint) Let’s dig into more about what a … Read more
Welcome to the Beginners Guide to Polkadot API series! This particular tutorial will focus on learning how to build and compose decentralized applications (dApps) on the Polkadot network. We will also define what that means exactly, and how to get started with creating your first light client-powered dapp on Polkadot. In this tutorial, we will … Read more
By carlc, product marketing manager at Filestack. I remember the day I first started experimenting with DeepSeek for coding. It felt like stepping into a new dimension where code could almost write itself. At the time, I was juggling multiple projects, and I needed a way to streamline my workflow without sacrificing quality. That was when … Read more
Recently, my good friend Richard Fichtner advised using the mvn dependency:analyze command to get rid of declared but unused dependencies: https://bsky.app/profile/did:plc:cc2k5egfzqpf3nbjrs5xox4r/post/3lcxfnsc2h62m?ref_src=embed&embedable=true While it was a great idea years ago, it’s dangerous advice today. In this post, I’d like to explain what the plugin does and why you shouldn’t use it but in the most straightforward … Read more
How are you, hacker? 🪐Want to know what’s trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here. ## What the Hell Is the Mar-a-Lago Accord and Why Should You Care? By @darragh [ 8 Min read ] Explore Trump’s … Read more
Table of Links Abstract and 1 Introduction 2. Current Security Testing Platforms 2.1. Recent progress 3. A New Testing Platform and 3.1. Testing platform roles 3.2. Web-based remote access 3.3. Testbed setup 4. Enabled Testing Methodologies 4.1. Secure Development Lifecycle (SDL) testing and 4.2. Penetration testing 4.3. Research testing 5. Conclusion & Outlook, and References … Read more
Table of Links Abstract and 1 Introduction 2. Current Security Testing Platforms 2.1. Recent progress 3. A New Testing Platform and 3.1. Testing platform roles 3.2. Web-based remote access 3.3. Testbed setup 4. Enabled Testing Methodologies 4.1. Secure Development Lifecycle (SDL) testing and 4.2. Penetration testing 4.3. Research testing 5. Conclusion & Outlook, and References … Read more
Table of Links Abstract and 1 Introduction 2. Current Security Testing Platforms 2.1. Recent progress 3. A New Testing Platform and 3.1. Testing platform roles 3.2. Web-based remote access 3.3. Testbed setup 4. Enabled Testing Methodologies 4.1. Secure Development Lifecycle (SDL) testing and 4.2. Penetration testing 4.3. Research testing 5. Conclusion & Outlook, and References … Read more
Table of Links Abstract and 1 Introduction 2 Background 3 Approach and 3.1 Differential Testing for XML Processors 3.2 XPath Expression Generation 3.3 XML Generation 4 Evaluation 4.1 Effectiveness 4.2 Efficiency 4.3 Comparison to the State of the Art 4.4 Analysis of BaseX Historical Bug Reports 5 Related Work 6 Conclusion, Acknowledgments, and References 6 … Read more
:::info Wanna use this template? Click here. ::: Hey Hackers, DIGITALOPS has been nominated in HackerNoon’s annual Startups of The Year Awards in Hyderabad, India. :::tip Please vote for us HERE. ::: Read more about us below to understand why we deserve your vote. Meet DIGITALOPS DIGITALOPS is a digital marketing agency based in Hyderabad, … Read more
Much of the life of software engineers, and those in other professions, is spent problem-solving. Some may say it is the bedrock of an engineer’s professional life. Over the past year, I’ve spent a significant amount of time learning how different people and professions solve different problems. At its heart, there is a fundamental conflation … Read more
I recently spoke to MBA students and alumni at Washington State University about executive hiring strategies. One idea that particularly resonated with attendees was using OSINT and HUMINT to gain a competitive advantage. With over 4,000 applicants competing for a single role at a company, your odds of reaching the recruiter screening stage are approximately … Read more
Electricity could be traded like this. Picture yourself standing in a busy market, eyeing stalls piled high with fresh tomatoes, peppers, and onions. You have options—bargain with the vendor who is cheapest today, skip the one who is overpriced, or buy from the one with the most decent price and cart away with it. Now, … Read more
:::info Wanna use this template? Click here. ::: Hey Hackers! LEONADO LIMITED has been nominated in HackerNoon’s Startups of The Year 2024 awards in London, United Kingdom. :::tip Please vote for us HERE. ::: Read more about us below to understand why we deserve your vote. Meet LEONADO limited We are a team of entrepreneurs passionate … Read more
Tired of spammy, desperate, and non-GDPR-compliant spam emails begging to sell you guest posts and links? Meet QuakeServices.com, a so-called outreach service person employed by the online publication https://www.newsbreak.com/ At the center of this pathetic operation and fake claims of employment is an Alias Harley Groff—or at least that’s the name they slap on their … Read more
Working as a solo UX/UI designer in a startup can be an exhilarating experience, filled with opportunities for innovation, rapid learning, and creative freedom. Failure, however, is an inevitable part of growth — I know this firsthand as the UX/UI designer for a website builder startup that didn’t succeed. I was a huge fan of … Read more
Agentic AI has emerged as a major topic of discussion in recent months, garnering significant attention for its potential to transform automation, decision-making, and autonomy in AI-driven systems. Its rise has ignited debates around its diverse applications, challenges, and ethical implications. Among the sectors most likely to benefit from Agentic AI is Software-as-a-Service (SaaS). Today, … Read more
Subscribe to Hello World Hello World is a weekly newsletter—delivered every Saturday morning—that goes deep into our original reporting and the questions we put to big thinkers in the field. Browse the archive here. Hi, everyone, On dark days, in the midst of a mental health emergency, many Americans look to a federal government program for … Read more
James Howells, a computer engineer from Newport, U.K., is on a 12-year quest to recover a lost hard drive containing 8,000 Bitcoins, currently worth approximately $775 million, according to a report by ChainDesk. Howells accidentally discarded the hardware wallet in 2013, a time when Bitcoin traded at a mere $100 per coin. Now, as Bitcoin’s … Read more
The cryptocurrency market can be unpredictable, with some assets facing sharp declines while others experience exponential growth. Cardano (ADA) has recently experienced a 35% drop in value, prompting many investors to wonder what’s next for the token. Coldware (COLD) – What’s Driving the Growth? In contrast, Coldware (COLD) has experienced a massive surge in price, … Read more
The cryptocurrency market is experiencing its usual volatility, but the upcoming months could witness a significant shift. Bitcoin (BTC) is predicted to surge in the near future, and this surge is expected to have a ripple effect across the altcoin market. One of the altcoins that is particularly poised to benefit from Bitcoin’s momentum is … Read more
In the fast-paced world of software development, teams often prioritize speed, especially during the early stages of product development. Startups and established organizations alike feel the pressure to deliver customer value quickly, maintain a competitive advantage in emerging markets, and meet business-critical deadlines. This drive to “move fast and break things” frequently leads to scrappy … Read more