Useful links

UUID tools

Here you can find a list of UUID tools for the most popular programming languages:

• JavaScript: https://www.npmjs.com/package/uuid
• PHP: https://packagist.org/packages/ramsey/uuid
• Java: https://docs.oracle.com/javase/7/docs/api/java/util/UUID.html
• Ruby: https://www.rubydoc.info/gems/uuid/2.3.8/UUID
• Python: https://docs.python.org/3/library/uuid.html
• C#: https://learn.microsoft.com/en-us/dotnet/api/system.guid.newguid

HMAC tools

Here you can find a list of HMAC tools for the most popular programming languages:

• JavaScript: https://www.npmjs.com/package/crypto-js
• PHP: https://www.php.net/manual/ru/function.hash-hmac.php
• Python: https://docs.python.org/3/library/hmac.html

Reference information

• JSON API Specification
• FIAT currency codes
• Bitcoin Wiki
• HMAC algorithm description