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暗号資産・株式・AI の重要な概念と最新の話題をわかりやすく解説
ラウンジ›インサイト
暗号資産・株式・AI の重要な概念と最新の話題をわかりやすく解説
Foreigners in Korea face three gates before buying bitcoin with won: tax residency, exchange identity checks and a real-name bank account. Here is who can pass them as of October 2026, and why offshore shortcuts carry real risk.

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.