Private key from myalgo wallet

From your 25 words the private key (and for that matter the public key, too) can be produced with an API call. E.g. in JavaScript,

const account1_mnemonic = "write the twenty five words here";
const recoveredAccount1 = algosdk.mnemonicToSecretKey(account1_mnemonic);
console.log('Private key: '+ recoveredAccount1.sk);
console.log('Address: ' + recoveredAccount1.addr);

So, the process is: “25 word mnemonic” → “seed” → “private and public key”
and “public key” → “address”

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