Lost Bitcoin: A guide to tracking and retrieving lost crypto What could be an even worse scenario than losing your most valuable crypto assets? While crypto offers a robust security system, there are still instances where users can lose access to their crypto, even if it has already grown to millions of dollars. KEY TAKEAWAYS Lost private keys or seed phrases, stolen coins by hackers or scams, physical loss or damage of hardware wallets, and dormant Bitcoin (BTC) wallets are some of the top reasons for lost Bitcoin. You may locate your lost Bitcoin by attempting to recover your lost Bitcoin wallet, contacting your crypto exchange customer service, checking transaction history, as well as asking for help from blockchain explorers.