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How to store Bitcoin in your head using a Brain Wallet? The private key for Bitcoin addresses can be created using the SHA256 hash function. Previously, this method was used to safely store bitcoins through memorizing a certain phrase. But due to the fact that people used popular phrases and expressions to generate private keys, the attackers constantly hacked Brain Wallet using simple brute force.
Now using the Brain Wallet is insecure and pointless, as there is a SEED phrase that perfectly performs the Brain Wallet function