Web3
What is an ENS domain name?
An ENS domain is a readable name like name.eth that maps to a blockchain address. How resolution works, why names became collectibles, and what scammers do with…
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
Custodial vs. self-custody wallets
The only real question is who holds the keys. A side-by-side comparison of the two wallet models — and an honest look at how each one fails.
Web3
DeFi basics: lending and trading without banks
DeFi is finance built from smart contracts — real services, real yields, and risks a bank normally absorbs, moved onto your side of the table.
Web3
What are gas fees, and why do they change?
Gas fees are auction prices for scarce block space. Here is the mechanism behind the number — including what Ethereum's 2021 EIP-1559 change did and did not…
Web3
What is an NFT, and what do you actually own?
An NFT is a blockchain record of one specific item. When you buy it, you own the record — not automatically the art, the file, or the rights.