Why does vanitygen ban certain letters on testnet?
I'm guessing that vanitygen is more strict or has different rules than production's Base58 rules.Why are some of thse names marked not possible?C:\vanitygen>oclvanitygen -k -o gpukeystestout.txt -i...
View ArticleHow many bitcoins have been sent to Base58-invalid addresses?
Some bitcoins have been permanently lost when they are sent the the following addresses. The explanation I've found is that they contain characters that are invalid in...
View ArticleHow do I Base58 Checked encode / decode an address in C#? What does...
I am trying to encode and decode a Base58 address in C#. The following function is a start, but it has a few issues:This code does not normalize leading zeros (what does that look like?)If this method...
View ArticleDoes a Vanity Address reduce the randomness / entropy of the private key? Is...
Since a vanity address discards many "valid" keys in order to find one that matches a pre-determined string, I think that the "randomness" of the data would be reduced, thus weakening the key.Is there...
View ArticleWhat development tests should I do when creating a Base58Checked parser?...
Are there any special tests (test data) I should run against my code if I've written a Base58Checked encoder/decoder?
View ArticleBase58Check encoding: Using for Version 4 UUID?
Can Base58Check encoding be used to encode a Version 4 UUID?This would be handy for the same reasons as encoding Bitcoin public keys in Base58Check instead of Base64.I've read the Bitcoin wiki pages on...
View ArticleWhy can addresses be shorter than 34 bytes?
The wiki entry on Address says:Some Bitcoin addresses can be shorter than 34 characters (as few as 27 in theory) and still be valid. [...] These shorter addresses are valid simply because they stand...
View ArticleHow does the bip32 version bytes convert to base58?
Converting the BIP32 version bytes - x04\x88\xad\xe4 - from base256 to base58 and base58Check returns 7irrX and 1kz713TZjju, respectively.I thought the version bytes represented xprv. What am I...
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How do I get to the value in the 'scriptPubKey' part of the transaction ?
How do I get to the value in the 'scriptPubKey' part of the transaction ? The sender knows only the address (1A3XjcuZmcszX2tGoVn1TrMNchuHwdAxZV) so how did he get into...
View ArticleWhy are compressed private keys typically longer than their uncompressed...
From what I understood, compressed private keys are supposed to represent the same secret key, stored more efficiently thus taking up less space. I assume 'more efficiently' has to do with secp256k1...
View ArticleWhat is the correct Base58 encoding for this uncompressed Public Key RipeMD...
My understanding is that Base58Checked is always 34 bytes long, and isn't going to be less than 34 bytes even if the first or last bytes of the RipeMD are zero. If this statement isn't true, then none...
View ArticleWhat would happen if two public keys had the same Base58 hash?
If two different public keys had the same Base 58 hash, what would happen?Could one key spend money in the other account?What would happen to the monies received by the shared base58 hash?
View ArticleHow does Base58Check prefix character prediction work?
I'm trying to implement Base58Check as a learning exercise and I came across the different types of prefixes as summarised here.I wonder however how to arrive in the expected prefix characters from the...
View ArticleWhy does my implementation of hex to Base58check produce different results...
Step 8 of this wiki page gives this hex value: 00010966776006953D5567439E5E39F86A0D273BEED61967F6Step 9 converts it to this base58 string:16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvMI'm trying to implement the...
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How to get the compressed WIF of my key?
I'm a trying to understand the different encoding on the private keys. What format is used by the iancoleman validator and why? How can I reproduce it?All my Data is valid.According to the bitcoin wiki...
View ArticleHow to handle leading 0's (b58 1's) when base58check encoding
I'm trying to more fully understand the base58check encoding algorithm.Unfortunately, I keep running into a problem with how to handle a situation where the base58 value of an input would have leading...
View ArticleELI5: is it true that Base58 doesn't prevent typo, but Base58check does,...
I am reading the book Grokking Bitcoin by Manning 2019.It first said, if John sends the token (bitcoin) to the cafe owner but made a typo in the cafe's address (the PKH), then that token is "burned"...
View ArticleWhy does it take a different time to generate a different pattern of the same...
I've been looking at generating some vanity addresses today, and I found it surprising that the program generating the address predicts that it will take a different amount of tries to compute a vanity...
View ArticleHow to convert xpub ypub and zpub in Ruby
I'm looking to convert a Bitcoin extended public key from one format to another in Ruby.In JS I've found https://github.com/jlopp/xpub-converter/blob/master/js/xpubConvert.js and Python...
View ArticleProbability of Generating a Bitcoin Address with Specific Starting and Ending...
I've recently come across a situation where scammers are generating (bitcoin) addresses that have the same starting and ending characters. This is concerning as many people, including myself, often...
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