Close Bitcoin Core and copy wallet.dat to a secure, offline location like an encrypted USB drive.
Cryptographic keys that prove ownership and allow spending of funds. Bitcoin Core Wallet.dat
The secret cryptographic codes required to sign transactions and spend your Bitcoin. Close Bitcoin Core and copy wallet
The single most important thing you can do is . Bitcoin Core has a built-in encryption feature. Bitcoin Core Wallet.dat
A pre-generated queue of keys used for creating new receiving and change addresses.