Talked with a UK-based crypto accountant recently, and the numbers are wild. Turns out roughly 80% of crypto holders aren't tax compliant. Here's the kicker: exchanges are already sharing your transaction data with tax authorities. Get caught? Penalties can slam you with fines equal to 100% of what you owe. If you're trading BTC, ETH, or anything else, ignoring tax obligations isn't just risky anymore—it's expensive.