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…
Author
Jacob Hoffman
Independent editorial contributor covering markets, digital assets, risk and personal finance.
Articles by Jacob Hoffman
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…
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
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.