Base58 encode

1. How do I encode in Base58?
2. How do I decode Base58?
3. What is Base58Check encoding and where is it used?
4. What is the base of 58?
5. How do you convert to base 58?
6. What is Base58 check?
7. How are Bitcoin addresses encoded?
8. What is Bech32 P2WPKH?
9. What does base 64 look like?
10. Can I use ATOB?
11. How much does base64 increase size?
12. What are the 64 characters in Base64?
13. How do I decrypt Base64?
14. What are non base 64 characters?

How do I encode in Base58?

The Base58 Decoding Algorithm

Start by initializing a 'raw_bytes' array, and a 'carry' value to zero (0x0). For each input byte in the array of input bytes: Set 'carry' to the byte value associated with the input byte character. If a mapping does not exist, return an error code.

How do I decode Base58?

The decryption of Base 58 consists of a conversion of the message considered into base 58 . If the expected result is a number then convert base 58 to base 10 to obtain an integer. Example: The message in base 58 38 corresponds to the calculation 2×58+7=123 2 × 58 + 7 = 123 or 123 in base 10.

What is Base58Check encoding and where is it used?

Bitcoin addresses are encoded using the Base58Check encoding. This encoding is used to limit the confusion between various characters, such as 0OIl as they can look the same in different fonts. The encoding basically takes the binary byte arrays and converts them into human-readable strings.

What is the base of 58?

Satoshi Nakamoto created 'Base58', a group of binary-to-text encoding schemes used to represent large integers as alphanumeric text. Such innovation was much needed as the binary system can be a tedious one, and existing binary-to-text encoding systems weren't fit for the job Satoshi had in mind.

How do you convert to base 58?

To convert an integer (base10) to base58, you use the modulus¹ function. Basically, you keep dividing your number by 58, taking the remainder at each step of the way to get the next character index for base58, and finishing when there are no remainders left.

What is Base58 check?

A modified Base 58 binary-to-text encoding known as Base58Check is used for encoding Bitcoin addresses. More generically, Base58Check encoding is used for encoding byte arrays in Bitcoin into human-typable strings.

How are Bitcoin addresses encoded?

Bitcoin addresses are almost always presented to users in an encoding called “Base58Check” (see Base58 and Base58Check Encoding), which uses 58 characters (a Base58 number system) and a checksum to help human readability, avoid ambiguity, and protect against errors in address transcription and entry.

What is Bech32 P2WPKH?

Bech32 is a bitcoin address format specified by BIP 0173. It is used for the native segwit version 0 output types, P2WPKH and P2WSH. The upcoming Taproot softfork will add another output type called Pay to Taproot (P2TR).

What does base 64 look like?

Base-64 maps 3 bytes (8 x 3 = 24 bits) in 4 characters that span 6-bits (6 x 4 = 24 bits). The result looks something like "TWFuIGlzIGRpc3Rpb...".

Can I use ATOB?

You can use the btoa() method to encode and transmit data which may otherwise cause communication problems, then transmit it and use the atob() method to decode the data again. For example, you can encode, transmit, and decode control characters such as ASCII values 0 through 31.

How much does base64 increase size?

Encoded size increase

This means that the Base64 version of a string or file will be at least 133% the size of its source (a ~33% increase). The increase may be larger if the encoded data is small.

What are the 64 characters in Base64?

Base64 only contains A–Z , a–z , 0–9 , + , / and = . So the list of characters not to be used is: all possible characters minus the ones mentioned above. For special purposes . and _ are possible, too.

How do I decrypt Base64?

To decode with base64 you need to use the --decode flag. With encoded string, you can pipe an echo command into base64 as you did to encode it. Using the example encoding shown above, let's decode it back into its original form. Provided your encoding was not corrupted the output should be your original string.

What are non base 64 characters?

The term Base64 originates from a specific MIME content transfer encoding. Each non-final Base64 digit represents exactly 6 bits of data. Three bytes (i.e., a total of 24 bits) can therefore be represented by four 6-bit Base64 digits.