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accessing-different-address-same-private-key-ether.md

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{ "title" : "Private Key Opens a Different Account / Two Addresses", "sort" : "08", "category" : "Private Keys & Passwords", "description" : "Private Keys & Passwords", "date_published" : "2017-07-05T08:00:00+08:00", "date_modified" : "2017-11-27T08:00:00+08:00" }

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Mismatched Private Key / Address

Please be sure that you are carefully and accurately typing in your private key. A single wrong character will open a different wallet than "yours."

For reference, private keys looks like this: afdfd9c3d2095ef696594f6cedcae59e72dcd697e2a7521b1578140422a4f890

Be sure that you are using the same option and same key / file as when you first unlocked your wallet. Essentially, you need to do the same thing each time you open your wallet.

If you saved another version (e.g, the UTC / Keystore file), it may also be worth testing that as well.

You had to unlock your wallet in order to obtain your address from MyCrypto. Therefore, it is nearly impossible to not have saved this file and unlocked it correctly. Think back and repeat the exact steps you made when you unlocked it. Which private key type did you use to access that address?

If you think you may have mistyped a private key, here is a snippet that will help you check each letter for a mistype. Keep in mind, this assumes you mistyped a single character. If you mistyped more than one, it will take exponentially longer.

Scroll to the bottom of https://legacy.mycrypto.com/helpers.html, enter your private key and address, and see if that resolves to anything.

Related

    const hdkey = require('ethereumjs-wallet/hdkey');
    const util = require('ethereumjs-util');
    const Wallet = require('ethereumjs-wallet');

    var characters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];

    var basePrivateKey = 'THE_KEY_YOU_THINK_YOU_TYPED';
    var targetPublicAddress = 'THE_PUBLIC_WALLET_ADDRESS_WHICH_CONTAINS_YOUR_ETHER';

    for(var keyPosition = 0; keyPosition < basePrivateKey.length; keyPosition++){
      for(var character = 0; character < characters.length; character++){
        try{
          var privateKeyGuess = setCharAt(basePrivateKey, keyPosition, characters[character]);
          var wallet = Wallet.fromPrivateKey(new Buffer(privateKeyGuess, "hex"));
          var publicAddress = util.bufferToHex(wallet.getAddress());
          if(publicAddress.toLowerCase() == targetPublicAddress.toLowerCase()){
            console.log('*** FOUND PRIVATE KEY: ' + privateKeyGuess);
            process.exit();
          }
        }catch(e){
          // Invalid character
        }
      }
    }

    function setCharAt(str,index,chr) {
        if(index > str.length-1) return str;
        return str.substr(0,index) + chr + str.substr(index+1);
    }

If you end up rewriting the above for a different use-case, please email us to let us know. We can add it to our site for other people to reference. We will also reward you with stickers!