As part of its thrust to maintain the integrity and security of the EC currency, the Eastern Caribbean Central Bank (ECCB) has upgraded the security thread on all banknotes, with the exception of the $5.00 banknote.
The update to the security thread in the notes is in keeping with the advancement in technology to prevent counterfeiting. The new security thread therefore makes it much more difficult for counterfeiters and makes it easier for persons to detect counterfeit notes.
The thread also has built-in machine readability and will not affect cash machines such as ATMs, counting and vending machines.