What is API in Crypto? At its simplest, an API is a tool that lets one program talk to another. In the world of cryptocurrency, APIs let wallets, exchanges, price trackers, and bots fetch and send information. They are the pipes that carry prices, balances, transaction details, and more. Without APIs, apps would not be…
Crypto Faucets are simple websites or apps that give away tiny amounts of cryptocurrency. They exist so people can learn or test tools without spending real money. Think of a faucet as a free sample stand for digital coins. Crypto Faucets: What they are and why they exist A crypto faucet is a small program…
Testnet and Mainnet are those two worlds. One is for practicing, experimenting, and fixing bugs. The other is where real value moves and real people rely on the network. In the paragraphs that follow, we’ll walk through how they work, why developers use them, and what you should know as a user or builder. Understanding…
Reflect with me Money and trust are closely tied. When you hand cash to a friend, you trust them. When you move crypto, someone or something must make sure the transfer is real. That “someone” can be a bank, but in crypto we often rely on a network of equals. That idea—people dealing directly with…
Bitcoin Transaction moves through a few clear stages. If you follow them, you will see the whole path. Just simple steps you can picture. What is a Bitcoin Transaction? A Bitcoin Transaction is the message that moves value from one address to another. Think of it like a sealed envelope with a sender, a recipient,…
dApp — that’s the short name for a decentralized application. At a simple level, a dApp does something similar to a regular app: it may let you send messages, trade tokens, or play a game. The big difference is where the app’s rules and data live. Instead of one company keeping everything on its servers,…
Staking in Crypto is an activity that lets people earn rewards by helping secure a blockchain. You lock up — or “stake” — coins and, in return, the network pays you a small reward. It is one of the main ways people earn passive income with staking. But like any financial choice, it has trade-offs….
Gas Fees are the small payments that make Ethereum work. They reward the people and machines that run the network. They also ration the network when many people want to use it. Understanding them helps you avoid overpaying and keeps your transactions smoother. What are Gas Fees? Gas Fees are payments you make to process…
Layer 1 vs Layer 2 is a phrase you’ll hear a lot. The short way to say it: Layer 1 is the main blockchain — the foundation. Layer 2 sits on top, helping things move faster and cost less while the base layer keeps the final record. In the next sections we’ll walk slowly through…
Validator nodes are at the heart of many modern blockchains. They validate transactions, help secure the network, and sometimes make decisions about upgrades. Below I lay out the core responsibilities of a validator, the importance of validator in blockchain systems, how they protect networks, and what it looks like to run or pick a validator….