See what the EU is planning to do? Read how they are trying to de-anonymize the blockchain/wallets:
https://bitcoinmagazine.com/articles/project-titanium-eus-plan-decloak-cryptocurrency/
They can try. You can do better!
Use Brave browser or TOR browser, do not use your real name anywhere.
And use really anonymous coins to delete your traces. Monero/Zcash/Bitshares can help.