Lounge›Insight
Key concepts and the latest issues in crypto, stocks and AI, explained
Lounge›Insight
Key concepts and the latest issues in crypto, stocks and AI, explained

A dollar-pegged token can still trade below a dollar. Here is how depegs happen, why redeeming and selling are different, and how AML rules can freeze coins in ordinary users' wallets.

Starknet is a ZK rollup that settles with STARK validity proofs; Arbitrum One is an optimistic rollup with a 6.4-day challenge window. A plain-English comparison of proofs, withdrawals, tooling, tokens and risks, as of October 2026.