3. Crypto Is Fully Taxable
Although Bitcoin is decentralized and has all that secret anti-government feeling, it is still completely taxable. You are obligated to provide your tax information to cash out and pay income tax on your earnings if you are making any money investing in cryptocurrency exchanges (such as Coinbase or Binance).
Digital assets are unfortunately still considered audited by most countries and are subject to public oversight. CoinMarketCap has a tax tip blog if you have questions about crypto tax, here.