1. Use a peer-to-peer exchange: Peer-to-peer exchanges are online marketplaces that allow you to buy and sell Bitcoin anonymously. Examples of popular peer-to-peer exchanges include LocalBitcoins, Paxful, and Bisq.
2. Use a prepaid debit card: You can buy a prepaid debit card from most stores with cash, which allows you to purchase Bitcoin without revealing your identity.
3. Use an anonymous Bitcoin wallet: You can also use an anonymous Bitcoin wallet, such as Samourai Wallet or Wasabi Wallet, which both provide additional privacy features.
4. Use Bitcoin ATMs: Bitcoin ATMs are a great way to buy Bitcoin anonymously, as many don’t require any ID verification.