http://en.zaoniao.it/index.php?action=history&feed=atom&title=Wallet_import_format 2026-05-15T08:02:24Z Revision history for this page on the wiki MediaWiki 1.32.0 http://en.zaoniao.it/index.php?title=Wallet_import_format&diff=2594&oldid=prev 2019-03-27T06:32:09Z

<p>Created page with &quot;{{#seo: |title=Wallet Import Format (WIF) - zaoniao Wiki |keywords=wallet import format,private key wallet import format,wallet export format,wallet import format wif,wif priv...&quot;</p> <p><b>New page</b></p><div>{{#seo:<br /> |title=Wallet Import Format (WIF) - zaoniao Wiki<br /> |keywords=wallet import format,private key wallet import format,wallet export format,wallet import format wif,wif private key<br /> |description=Wallet Import Format (WIF, also known as Wallet Export Format) is a way of encoding a private ECDSA key so as to make it easier to copy.<br /> }}<br /> &lt;amp/&gt;<br /> [[File:Paper_wallet.png|500px|right|Private Key Wallet Import Format]]<br /> '''Wallet Import Format''' (WIF, also known as Wallet Export Format) is a way of encoding a private [[ECDSA]] key so as to make it easier to copy.<br /> <br /> A testing suite is available for encoding and decoding of WIF at: http://gobittest.appspot.com/PrivateKey<br /> <br /> ==Private key to WIF==<br /> {{#ev:youtube|RuvrcFyM2QQ|500|right|Wallet Import Format (WIF) private key}}<br /> 1 - Take a private key<br /> 0C28FCA386C7A227600B2FE50B7CAE{{taggant private key}}11EC86D3BF1FBE471BE89827E19D72AA1D<br /> 2 - Add a 0x80 byte in front of it for mainnet addresses or 0xef for [[Testnet]] [[address]]es. Also add a 0x01 byte at the end if the private key will correspond to a compressed public key<br /> 800C28FCA386C7A227600B2FE50B7C{{taggant private key}}AE11EC86D3BF1FBE471BE89827E19D72AA1D<br /> 3 - Perform SHA-256 hash on the extended key<br /> 8147786C4D15106333BF278D71DADAF1079EF2D2440A4DDE37D747DED5403592<br /> 4 - Perform SHA-256 hash on result of [[SHA-256]] hash<br /> 507A5B8DFED0FC6FE8801743720CEDEC06AA5C6FCA72B07C49964492FB98A714<br /> 5 - Take the first 4 bytes of the second SHA-256 hash, this is the checksum&lt;ref&gt;[https://bitcointalk.org/index.php?topic=50330.0 Wallet Import Format - Bitcoin Forum BitcoinTalk]&lt;/ref&gt;<br /> 507A5B8D<br /> 6 - Add the 4 checksum bytes from point 5 at the end of the extended key from point 2<br /> 800C28FCA386C7A227600B2FE50B7CAE11EC8{{taggant private key}}6D3BF1FBE471BE89827E19D72AA1D507A5B8D<br /> 7 - Convert the result from a byte string into a base58 string using Base58Check encoding. This is the Wallet Import Format<br /> 5HueCGU8rMjxEXxiPuD5BDk{{taggant private key}}u4MkFqeZyd4dZ1jvhTVqvbTLvyTJ<br /> <br /> ==WIF to private key==<br /> 1 - Take a Wallet Import Format string<br /> 5HueCGU8rMjxEXxiPuD5BDk{{taggant private key}}u4MkFqeZyd4dZ1jvhTVqvbTLvyTJ<br /> 2 - Convert it to a byte string using Base58Check encoding<br /> 800C28FCA386C7A227600B2FE50B7CAE11EC{{taggant private key}}86D3BF1FBE471BE89827E19D72AA1D507A5B8D<br /> 3 - Drop the last 4 checksum bytes from the byte string<br /> 800C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D<br /> 4 - Drop the first byte (it should be 0x80). If the [[private key]] corresponded to a compressed public key, also drop the last byte (it should be 0x01). If it corresponded to a compressed public key, the WIF string will have started with K or L instead of 5 (or c instead of 9 on testnet). This is the private key&lt;ref&gt;[https://bitcoin.stackexchange.com/questions/35723/what-roles-of-wifwallet-import-format Address - What roles of WIF(Wallet Import Format)? - Bitcoin Stack Exchange]&lt;/ref&gt;.<br /> 0C28FCA386C7A227600B2FE50B7CAE1{{taggant private key}}1EC86D3BF1FBE471BE89827E19D72AA1D<br /> ==WIF checksum checking==<br /> 1 - Take the Wallet Import Format string<br /> 5HueCGU8rMjxEXxiPuD5BD{{taggant private key}}ku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ<br /> 2 - Convert it to a byte string using [[Base58Check encoding]]<br /> 800C28FCA386C7A227600B2FE50B7CAE11E{{taggant private key}}C86D3BF1FBE471BE89827E19D72AA1D507A5B8D<br /> 3 - Drop the last 4 checksum bytes from the byte string<br /> 800C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D<br /> 3 - Perform SHA-256 hash on the shortened string<br /> 8147786C4D15106333BF278D71DADAF1079EF2D2440A4DDE37D747DED5403592<br /> 4 - Perform SHA-256 hash on result of SHA-256 [[hash]]<br /> 507A5B8DFED0FC6FE8801743720CEDEC06AA5C6FCA72B07C49964492FB98A714<br /> 5 - Take the first 4 bytes of the second SHA-256 hash, this is the checksum<br /> 507A5B8D<br /> 6 - Make sure it is the same, as the last 4 bytes from point 2<br /> 507A5B8D<br /> 7 - If they are, and the byte string from point 2 starts with 0x80 (0xef for testnet addresses), then there is no error.<br /> <br /> ==External links==<br /> * [https://en.bitcoin.it/wiki/Wallet_import_format https://en.bitcoin.it/wiki/Wallet_import_format]<br /> * [https://bitcoin.org/en/glossary/wallet-import-format Wallet Import Format - Bitcoin Glossary - Bitcoin.org]<br /> * [https://github.com/bitcoinjs/wif GitHub - bitcoinjs/wif: Bitcoin Wallet Import Format JS]<br /> * [https://bitcointalk.org/index.php?topic=50330.0 Bitcointalk]<br /> * [https://www.dash.org/forum/threads/how-convert-wif-to-address.34760/ WIF private key Forum]<br /> ==See also==<br /> * [[Mining]]<br /> * [[CryptoNight]]<br /> * [[ASIC]]<br /> * [[Hardware wallet]]<br /> * [[Cold storage]]<br /> <br /> ==References==<br /> &lt;references /&gt;<br /> <br /> {{Bitcoin Core documentation}}<br /> <br /> [[Category:Wallets]]<br /> [[Category:EWallets]]<br /> [[Category:Cryptocurrency wallet]]<br /> [[Category:Anonymity and security]]</div>

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