There are random generated Bitcoin private keys, converted into WIF format and hashed to addresses. After getting Bitcoin address we check the quantity of transactions (Tx) and get its balance. If you see any address with transactions, we will store this address into leak database and will try to notify the owner. Working way to generate a Bitcoin-Address in PHP? I would like to generate a Bitcoin-address (public/private key) in PHP but I don't understand.
All Bitcoin private keys is simply an integer between number 1 and 115792089237316195423570985008687907852837564279074904382605163141518161494337 or HEX: from 1 to 0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141. The integer range of valid private keys is governed by the secp256k1 ECDSA standard used by Bitcoin.
We just generate a range of these integers in sequence, divide into pages and add to our URL:
For example: http://www.AllPrivateKeys.com/1157920892373161954235709850086879078528375642790749043826051631415181614942
For more convenient using, we convert private key number to WIF format.
WIF is an abbreviation of Wallet Import Format (known as Wallet Import/ Export Format). WIF simplifies import/ export of a private key.
In order to make copying of private keys less prone to error, Wallet Import Format may be utilized. WIF uses base58Check encoding on a private key, greatly decreasing the chance of copying error, much like standard Bitcoin addresses.
Take a private key.
Add a 0x80 byte in front of it for mainnet addresses.
Append a 0x01 byte after it if it should be used with compressed public keys. Nothing is appended if it is used with uncompressed public keys.
Perform a SHA-256 hash on the extended key.
Perform a SHA-256 hash on result of SHA-256 hash.
Take the first four bytes of the second SHA-256 hash; this is the checksum.
Add the four checksum bytes from point 5 at the end of the extended key from point 2.
Convert the result from a byte string into a Base58 string using Base58Check
The process is easily reversible, using the Base58 decoding function, and removing the padding.
A compressed address is just the way of storing a public key in fewer bytes (33 instead of 65). There are no compatibility or security issues because they are precisely the same keys, just stored in a different way. The original Bitcoin software didn't use compressed keys only because their use was no disadvantages other than that a little bit of additional computation is needed to validate a signature.
You will see 20 random generated private keys, addresses, quantity of transactions and current balance to each Bitcoin address.
What is your chance to get luck ?
Divide 115,792,089,237,316,195,423,570,985,008,687,907,852,837,564,279,074,904,382,605,163,141,518,161,494,337 into 20
Yes, it's a rare chance tending to zero. Nobody is supposed to get these Bitcoins.
Theoretically, some private keys and Bitcoins addresses can be vulnerable, because Google search engine (Bing, Yandex etc..) can index some pages with private keys and addresses. But indexing all the pages is a huge array of keys.
For example: one of our pages with 100 addresses is about 40 978 Bytes. Try to divide the number of all the addresses into 100 (rows per page), multiply by 40 978 Bytes and divide into 137438953472 (one TerraByte).
You will get 345,238,967,039,530,911,720,582,795,073,715,758,043,805,378,040,119,207,565,323,040,414,160 TeraBytes of pages (!)
Currently, nobody has ever had a hard drive with such kind of volume.
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Contact us for any questions: [email protected]
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Php Generate Bitcoin Private Key Program
Bitcoin private key & Receiving address
Keep your private key private & don't show it to anyone else!
Your private key will appear after sufficient mouse movement
Your receiving address will appear after sufficient mouse movement
Your private key encoded as wallet words
You will always be able to recover your private key with these words.
Your wallet words will appear after sufficient mouse movement
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If you would like to decode your wallet words, enter them below, press decode, and the private key will appear above!
A private key represented as random words is safe. For a brute-force attacker such a private key is just as difficult to guess as the fully random 64 character bitcoin private key. Also, words are much easier to write down or even remember. Though it's best to write them down or print them and put them in a safe place even if you have a great memory, just in case. Trusted bitcoin wallets such as the Electrum bitcoin client use wallet words as well.