Alias:
An alias is a short, easy to remember, name of address which the user sets.
There cannot be two aliases with the same name.
One address can have several aliases.
Creation of an alias
An alias is created using a create alias transaction.
A created alias cannot be deleted
The length of an alias can be from 4 to 30 characters inclusive.
The following characters are allowed in the name of an alias:
lowercase Latin letters
numbers
dot
underscore
hyphen
@