You can also lose bitcoins by running buggy code or making software mistakes, though these instances are more rare. Last year, for example, someone forgot to collect their mining reward and burned 12.5 coins.
On top of this, how do I unlock my bitcoin wallet?
In most core wallets you'll find the unlock wallet option under settings (Settings >> Unlock wallet). Just enter your passphrase to unlock your wallet. By unlocking from here you can access most part of your wallet. You can stake, send coins and even export private keys.
In a general, how do I know my Bitcoin address? You can find your Bitcoin Cash (BCH) or Bitcoin (BTC) address for receiving payments into your Bitcoin.com wallet by tapping "Receive" on the bottom toolbar of your wallet. Your address will be the long string of numbers and letters directly below the QR code for that address.
Secondly, how do I check my Bitcoin balance by address?
You can use Blockchain.info. Just paste the address you want to check into the Search inputbox and the website will show you all the transactions where that address was involved, as well as the balance.
How do I find my bitcoin wallet owner?
You cannot find out the identity of the Bitcoin wallet owner by their wallet address. Blockchain will keep a record of each transaction ever to have occurred in the network, however only the following details about the transfer are made publicly available: Amount of cryptocurrency sent. Sender's address.