Buying an NFT without checking it first is like buying a signed painting without turning it over to read the back. The image in a marketplace listing tells you almost nothing about whether the token behind it is real, who…
Both Polkadot and Cosmos exist to solve the same problem: how do you build a custom blockchain that can talk to other chains without inheriting the congestion of a single shared Layer-1? They answer it in almost opposite ways. Cosmos…
Every time someone swaps a token, mints an NFT, or borrows against their crypto, a piece of software runs the code that makes it happen. That software is the Ethereum Virtual Machine — the EVM. It’s the engine underneath Ethereum,…
Ethereum runs on roughly 14,000 independent nodes scattered across the world, and every one of them is a machine that checks the chain’s rules for itself instead of trusting someone else’s word. Here’s the part most people miss: you don’t…
Every crypto product — a wallet, a trading bot, a portfolio tracker, an analytics dashboard — needs one thing before it can show a single price: reliable market data. That data comes from a crypto API. Pick the right one…
If you’re building anything on BSC — a wallet, a dApp, or a portfolio tracker — you’ll need to know how to check token balances. This guide shows you two practical approaches: using Web3.js and raw JSON-RPC calls. What is…
Most blockchain nodes forget on purpose. Full nodes prune old state data to stay lean, keeping only what’s needed to validate the current chain. It works fine until you need to ask a question like: “What was this wallet’s balance…
When building and maintaining infrastructure for blockchain applications developer experience and quick problem solving are also important as are high uptime and low latency. This is why technical support is crucial for node RPC providers. Instead of traditional support lines…
March 12, 2020 is remembered in the crypto industry as Black Thursday, the day when the price of Bitcoin collapsed by more than 40% within hours during the global market panic triggered by COVID-19. While traders were watching charts fall,…
NOWNodes started out as an internal infrastructure solution for the NOW environment. It was made to run ChangeNOW and support its own growing product line. It began as a separate layer in the server that ensured stable swaps, safe access…