The vast majority of database entries are generated by the wallet and do not contain anything that the user can enter. Things that users can enter are generally validated prior to writing to the database, e.g. descriptors imported with importdescriptors must be valid descriptors before they are written.
The sole exception are labels which, by definition, ...
Just to clarify how Bitcoin works:
How can I retrieve it?
You don't ever really retrieve Bitcoin money, it is always kept track of in the list of transactions that almost every Bitcoin user has their own copy of (or access to a trusted copy).
This list of transactions is a transaction-journal that is called the blockchain, but it isn't owned or controlled ...
lets start at the beginning.
can you see the transaction going into your wallet by checking a blockchain exlorer like blockchair?
If you are 100% sure the transaction was sent to your address, and you have the private keys in your wallet for that address, it should be fine.
There are ways to clear the transaction, but I don't know what wallet software you ...
More and more airports force you to decrypt your data, they will also dump your stuff keeping a backup. This could happen in just about any border you try to cross. It is only safe to expect this to get more common.
Carry less data
Let them investigate if they find anything suspicious
Keep two mobile phones. One for travelling and ...
Electrum uses two separate levels of encryption:
Your seed and private keys are encrypted using AES-256-CBC. The private keys are decrypted only briefly, when you need to sign a transaction; for this you need to enter your password. This is done in order to minimize the amount of ...
Bitcoin is secure when 51% of the miners are honest. We also need every node to have at least one honest peer to avoid eclipse attacks. Are these the only assumptions based on which Bitcoin is secure?
I don't consider them as assumptions instead they are different types of attacks.
51% attack is the most over-rated. You can find lot of Q&As related to ...
If you don't have your private key, and the custodial wallet that does have your private key is no longer accessible, then you cannot move your coins or "cash out".
Invest in a hardware wallet, and transfer your coins out of any custodial wallet if you plan on hodling the coins. That way, if you ever need to cash out, you can.