Australia's home for provably fair mystery boxes. Real prizes, real randomness, and a platform built with transparency at its core.
ABN 81 552 166 027
MysteryBoxAU is an Australian owned and operated mystery box platform, registered under ABN 81 552 166 027. We built this platform because we wanted something that the Australian market was missing: a mystery box experience that puts fairness and transparency ahead of everything else.
Every member of our team is based in Australia. We source real, tangible prizes, manage fulfilment locally, and operate under Australian Consumer Law. When you open a box, you are dealing with a local business - not an overseas reseller with no accountability.
Our mission is simple: make mystery boxes worth trusting. That means publishing exact prize probabilities before you spend a single credit, using cryptographic proof to guarantee every outcome is unmanipulated, and backing every win with a real prize we actually have in stock.
We believe entertainment and integrity are not mutually exclusive. Mystery boxes should be exciting precisely because you know the system is fair - not despite suspecting it might not be.
Every box open on MysteryBoxAU is governed by a HMAC-SHA256 cryptographic system. Before you open a box, we commit to a server seed by publishing its SHA-256 hash. Your client seed is then combined with that server seed and a sequential nonce to produce a roll between 0 and 9999. Neither side can influence the result once seeds are committed.
After a seed rotation, the original server seed is revealed so you can independently verify every historical roll using any standard HMAC-SHA256 calculator - including our built-in verification tool.
Top up your account using any major Australian card or digital wallet via Stripe. All transactions are in AUD.
Choose a Mystery Box and open it. Our HMAC-SHA256 system generates a verifiable random roll that maps to your prize.
Win a physical item? We ship it anywhere in Australia for a $22 flat rate. Digital prizes land in your inbox within 24 hours.
We are proudly Australian. Our business is registered in Australia under ABN 81 552 166 027, we operate under Australian Consumer Law, and all customer support is handled locally. Prices are in AUD and payments are processed securely via Stripe.
Physical prizes ship to Australian addresses only, at a flat rate of $22 AUD. Digital prizes - gift cards, codes, and subscriptions - are delivered to your registered email address within 24 hours of claiming.
Shipping rate
$22 flat
Digital delivery
Within 24hrs
Payment processing
Stripe secured
MysteryBoxAU is strictly for users aged 18 years and over. We require date of birth at registration and reserve the right to request government-issued ID at any time. Accounts found to belong to underage users will be permanently suspended.
Mystery boxes are entertainment products. We encourage all users to set personal spending limits and to play within their means. Every box displays its full prize list and exact probability percentages before you commit any credits - so you always know what you are getting into.
If you have questions or concerns about responsible play, contact us at support@mysteryboxau.com.
Our Australian support team is available Monday to Friday, 9am - 5pm AEST.