If you're holding Bitcoin, Ethereum, or other digital assets on an exchange based outside the U.S. — Binance, a Hong Kong or Singapore-based platform, or an exchange tied to your home country — you may be sitting on a reporting obligation you haven't thought about. Crypto feels borderless, but the IRS and FinCEN don't see it that way. Where your exchange is legally domiciled matters, and getting it wrong can mean penalties that have nothing to do with whether you owed any tax