One morning in September 2020, hundreds of thousands of people opened their wallets to find 400 UNI tokens they never asked for. It was a gift from Uniswap — worth roughly $1,200 that day, and about $16,800 for anyone who…
MEV, or maximal extractable value, is the extra profit someone can earn by controlling the order of transactions inside a block — deciding which trades go first, which go last, and which get dropped entirely. On a public blockchain, your…
So you sent some crypto, your wallet says “sent,” and now you’re staring at the screen wondering if it actually went anywhere. Where do you go to check? A blockchain explorer. It’s the tool that takes a blockchain — which…
Every Ethereum node stores the blockchain — but not all of them remember the same amount of it. That’s the whole story behind full node vs archive node, and it’s the detail that decides how much disk you burn, how…
Two acronyms trip up almost everyone who starts building on a blockchain: RPC and API. They sit side by side in docs, Discord threads, and half the tutorials online, often used as if they meant the same thing. Here’s the…
June was a full month for the NOWNodes team. We connected three more networks, gave dedicated server customers a way to renew without lifting a finger, and shipped a statistics app that finally puts usage data where it belongs —…
You’ve probably seen dApp all over the place by now — DeFi threads, NFT drops, every other crypto headline — without anyone really stopping to explain what sets it apart from, you know, a normal app off the App Store.…
The TX-Chain update is here. If you’re not technical don’t worry. NOWNodes has already upgraded to v6.0.0. You can safely use the updated node right now and start testing the new features. What Is This Update About? Version 6.0.0 is…
Enterprise blockchain has moved far beyond experimental pilots. In 2026, large organizations are no longer asking whether to adopt blockchain; they’re deciding which infrastructure stack can meet compliance requirements, scale across regions, and integrate with legacy systems without disrupting operations.…
As blockchain networks grow, raw node data becomes harder to query efficiently. Developers, analysts, and dApps need fast, targeted access to transactions, events, balances, and contract state. This is where the concept of “what is blockchain indexer” becomes essential: a…