Web3
Oracles in Blockchain: How Smart Contracts Get Real-World Data
Smart contracts cannot see prices, weather, or sports scores on their own. Blockchain oracles feed them outside data. Here are the main oracle types and the…
Web3
Decentralized identity, storage, governance and finance examined for what they gain and what they cost against the ordinary services they aim to replace.
Web3
Web3 explained: separating the hype from what actually works
A calm audit of the durable ideas behind the buzzword — and the parts that have not earned the marketing fog around them.
Web3
Slippage in crypto trading: What it costs you and how to control it
The gap between the price you see and the price you get is a real trading cost. Here is where it comes from and what limits it.
Web3
How do Ethereum rollups work, and why do they make transactions cheaper?
Rollups process transactions off Ethereum's main chain and post a compressed record back to it, inheriting Ethereum's security while cutting fees — but…
Web3
What is a token standard? ERC-20 and ERC-721
A token standard is the shared rulebook that lets any wallet hold any token. ERC-20 covers interchangeable units, ERC-721 covers unique ones — here is why that…