Whitepaper - Ethereum Classic With Cover
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<strong>Ethereum</strong> <strong>Classic</strong> Documentation, Release 0.1<br />
Using geth<br />
If you have a standalone installation of geth, importing your presale wallet is accomplished by executing the<br />
following command in a terminal:<br />
geth wallet import /path/to/my/presale-wallet.json<br />
You will be prompted to enter your password.<br />
1.3.5 Updating an account<br />
You are able to upgrade your keyfile to the latest keyfile format and/or upgrade your keyfile password.<br />
Using geth<br />
You can update an existing account on the command line with the update subcommand with the account address<br />
or index as parameter. Remember that the account index reflects the order of creation (lexicographic order of<br />
keyfile names containing the creation time).<br />
geth account update b0047c606f3af7392e073ed13253f8f4710b08b6<br />
or<br />
geth account update 2<br />
For example:<br />
$ geth account update a94f5374fce5edbc8e2a8697c15331677e6ebf0b<br />
Unlocking account a94f5374fce5edbc8e2a8697c15331677e6ebf0b | Attempt 1/3<br />
Passphrase:<br />
0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b<br />
account 'a94f5374fce5edbc8e2a8697c15331677e6ebf0b' unlocked.<br />
Please give a new password. Do not forget this password.<br />
Passphrase:<br />
Repeat Passphrase:<br />
0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b<br />
The account is saved in the newest version in encrypted format, you are prompted for a passphrase to unlock<br />
the account and another to save the updated file. This same command can be used to migrate an account of a<br />
deprecated format to the newest format or change the password for an account.<br />
For non-interactive use the passphrase can be specified with the --password flag:<br />
geth --password account update a94f5374fce5edbc8e2a8697c15331677e6ebf0bs<br />
Since only one password can be given, only format update can be performed, changing your password is only<br />
possible interactively.<br />
Note: account update has the side effect that the order of your accounts may change. After a successful update,<br />
all previous formats/versions of that same key will be removed!<br />
1.3.6 Backup and restore accounts<br />
Manual backup/restore<br />
You must have an account’s keyfile to be able to send any transaction from that account. Keyfiles are found in the<br />
keystore subdirectory of your <strong>Ethereum</strong> node’s data directory. The default data directory locations are platform<br />
specific:<br />
52 Chapter 1. Contents
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