Message signing script example

This example shows how to build a solution that will allow proving ownership of a private key. sign_message function produces a hashref containing all the data required to verify you own a bitcoin address or a public key (bitcoin address is deterministically generated from a public key so they are pretty much the same thing), ready to be serialized using JSON for example. verify function accepts this hashref and returns a true or false value, meaning whether the message is verified successfully.

To install Bitcoin::Crypto, copy and paste the appropriate command in to your terminal.

cpanm

cpanm Bitcoin::Crypto

CPAN shell

perl -MCPAN -e shell
install Bitcoin::Crypto

For more information on module installation, please visit the detailed CPAN module installation guide.

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Message signing script example

Module Install Instructions