blockchain

After a full week of intensive Bitcoin programming training, the developers at Zone01 Kisumu moved into the most exciting phase of the bootcamp: building real-world solutions powered by Bitcoin, the Lightning Network, and LND. One thing I learned throughout the experience is that the human mind is truly fascinating. The room was filled with innovative ideas, each attempting to solve a different p…

As part of my Web3+AI Internship at @etherauthority , I built a full-stack DeFi Staking Platform deployed on SecureChain AI Mainnet (Chain ID: 34). What I Built A decentralized staking application where users can: Connect MetaMask wallet Stake IRT (Intern Reward Token) ERC20 tokens Earn 10% APY rewards automatically via smart contract Claim rewards without unstaking Withdraw staked tokens + rewar…

"Most tokenization discussions stop at the token. In reality, the token is often the simplest component of the entire system." There is a moment that happens in almost every tokenization project. A developer deploys an ERC-721, writes a clean transfer function, and feels like the hard part is done. The token exists. Ownership is recorded on-chain. The asset has been " tokenized ." What Most Devel…

The crypto platform claims you can “pay anyone to do anything,” from quitting a job on camera to getting a memecoin-themed tattoo. But it mostly seems like people trying to scam each other.

Bitcoin Core's own documentation recommends building from source if you want the latest code, full control over feature flags, and a real understanding of what's actually running on your machine. That's a fair trade — but the build system makes almost every non-trivial feature an opt-in flag rather than a default, which means it's easy to produce a binary that compiles cleanly and runs fine while…

The expansion of the blockchain and crypto landscape led to the introduction of different types of tokens with distinct applications. Utility tokens have emerged as one of the most popular token variants in the crypto space in recent times. You must have come across discussions on use cases of utility tokens in web3 in conversations [...] The post Top Use Cases of Utility Tokens in Web3 appeared …

Gas optimization is satisfying. You shave a few thousand gas off a function and feel clever. But some optimizations trade away safety in ways that are not obvious, and I have seen "optimized" contracts that introduced vulnerabilities. Here are the gas wins that are genuinely free, the ones that cost you safety, and how to tell the difference. Where gas actually goes Before optimizing, know what i…

Over the last several months, XRP Ledger (XRPL) has fundamentally shifted in how amendments move from concept to mainnet. Historically, amendment development was largely focused on functional correctness, performance testing, traditional security audits, bug bounties and independent validator testing as the last line of defense to catch security vulnerabilities. As XRPL continues to grow in compl…

The transaction itself is only the beginning. The real backend complexity starts when your system needs to decide what happens next. Your backend may see funds before they are final. The customer may close the tab. Support may get a message saying “I paid,” while finance still needs a clean record. Product access might depend on a status that is not simply paid or not paid. This guide focuses on …

When I first looked at Midnight's privacy model, I kept tripping over the same question. If the chain hides balances inside zero-knowledge proofs, how do you actually write a token contract? Where does the contract end and the wallet begin? This tutorial answers that by building one. We write a Compact contract that mints, transfers, and burns shielded tokens, wire it through TypeScript, and driv…

IPO mints Musk as world’s first trillionaire – now SpaceX is public, it will be harder than ever not to have a stake in its future Hi and welcome to TechScape. Nick Robins-Early here, US tech and power reporter at the Guardian. I’m filling in for your usual host Blake Montgomery, who is out this week on vacation. Today, we’ll be talking about the historic SpaceX IPO and the US government’s surpri…

The Smart Contract That Handles Your Money. No Bank Needed. By Srashti Gupta |Blockchain Developer This is the part where it gets real. Not "real" like inspirational. Real like — this contract will hold actual ETH. If I write the logic wrong, money doesn't go where it should. There's no "oops, let me push a fix." There's no customer support. There's no undo. So let's write it carefully. And let's…

This is the summary of everything I have learned about transaction in Solana- Transaction are not just messages or amount send. Transaction contains metadata,instructions, accounts and programs. When a transaction is processed, a signature key is generated which is used to check details of the transaction in the solana explorer. There are more than one account used in the transaction where the p…

Most token scam detectors, including the one I work on, share one implicit assumption: the contract you analyze at launch is the contract people will trade. Read the source, simulate a buy and a sell, cluster the deployer, score it, done. That is a snapshot. And a snapshot is exactly what a patient scammer plays against. Two token designs pass every launch-time check and then turn hostile later. …

It's a simple idea really, and it's the right abstraction for the future of the internet. IP addresses can break, without warning, and it's outside of your device's control. Keys, however, are created & controlled by you. They stay the same as your device moves, and are yours to throw away, or not. IP addresses can be private and inaccessible behind firewalls, but with iroh your device can be sec…

Arc 7 of 100 Days of Solana was about building NFTs from first principles. Instead of starting with marketplaces, profile pictures, or NFT culture, the arc stripped the model back to the underlying token mechanics: supply, decimals, mint authority, metadata, collections, and provenance. After Arc 6, we already knew that Token-2022 can turn tokens into programmable objects with rules: interest, fe…

IntroductionThe integration of artificial intelligence (AI), gamification, and blockchain technologies is transforming digital learning environments by enabling personalized, engaging, and secure educational experiences. However, the adoption of AI-driven gamified systems remains constrained by concerns related to trust, transparency, and perceived value, particularly in contexts where human–AI i…

If you've built on Ethereum and you're now exploring Solana, the first thing that will trip you up isn't the language (Rust takes getting used to, but it's learnable). It's the mental model. Solana separates code from state at a fundamental level — and once you internalize that, everything else clicks. This article walks through the core differences in how both chains store data, why Solana's des…

Some fighters will receive bonuses in ‘stablecoins’ issued by Trump family business World Liberty Financial The Ultimate Fighting Championship (UFC) announced on Friday that it will pay bonuses to fighters in a form of cryptocurrency issued by Trump family business World Liberty Financial at the heavily publicized White House mixed martial arts event on Sunday. The development connects the Trump …