An early old-design brainwallet was designed by memorization of a passphrase and converting it into a private critical with a hashing or vital derivation algorithm (example: SHA256). That private crucial is then used to compute a Bitcoin address. A brainwallet refers to the concept of storing Bitcoins in one's https://financefeeds.com/eurex-clearing-pioneers-dlt-supported-collateral-mobilization-with-bafins-approval/