Bitcoin/address validation: Difference between revisions
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A bitcoin address uses a base58 encoding, which uses an alphabet of the characters 0 .. 9, A ..Z, a .. z, but without the four characters 0, O, I and l. |
A bitcoin address uses a base58 encoding, which uses an alphabet of the characters 0 .. 9, A ..Z, a .. z, but without the four characters 0, O, I and l. |
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With this |
With this encoding, a bitcoin address encodes a string 25 bytes: |
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* the first byte is the version number, which will be zero for this task ; |
* the first byte is the version number, which will be zero for this task ; |
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* the next twenty bytes are a [[RIPEMD-160]] digest, but you don't have to know that for this task: you can consider them a pure arbitrary data ; |
* the next twenty bytes are a [[RIPEMD-160]] digest, but you don't have to know that for this task: you can consider them a pure arbitrary data ; |
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