Bitcoin Security

How to encrypt and decrypt your Bitcoin wallet

If we run a public Bitcoin node and we do not want it to contain our private keys, but we want to track our addresses anyway, we can create a wallet with no private keys:
bitcoind: How to create a wallet with no private keys

Do not use Paper Wallets

Storing bitcoins

Securing your wallet

How to set up a secure offline savings wallet

Wallet passphrase generation and strength

Passphrase generation (

(bitcointalk) How long, strong should a bitcoin wallet pass-phrase be?