as far as I know the platform will have a free service, or do you want to test free of charge a paid service?
i think that token will be used for paid for services
as you can see there are conditions
"ZETA-1 (the first version of ZETA platform) offers freemium services to virtual currency exchanges, crypto hedge
funds, and virtual currency investors. All ZETA-1 users can use all of its functions free of charge.
On ZETA-1, the payment for premium services like legal advice, auditing, and other consulting services are made in SPD.
For now, cannot tell you the exact amount needed"