Step 1
Complete every mission
Pass quizzes and submit evidence for social or custom tasks. The organizer reviews evidence before your prize unlocks.
quiz → passed
● Shielded on Zcash testnet
Finish your missions.Unlock your reward.
Quizzes, social actions and event tasks. Complete the checklist, then choose a gift card, eSIM, testnet Zcash or a custom prize. Codes stay sealed to your browser.
Built withZcashBitrefillNoir WalletzkoollibsodiumClaude Haiku
01
How it works
Step 2
Choose your prize
For Bitrefill perks, an agent selects a package and the sponsor authorises it. Zcash and custom prizes are fulfilled by the organizer.
memo → order tag + cart hash
Step 3
Open it in your browser
Decrypt gift codes and custom instructions locally. Zcash testnet prizes arrive in your wallet.
sealed → ····-····
02
Who it's for
Organizers
Reward your community without a spreadsheet of codes
Set required tasks, prize options and a budget. Review submissions and track rewards.
Players
Your reward, your browser
No account required. Public task evidence can identify you; share only what the mission needs.
Builders
Reusable receipt adapter
Cart-hash memo and sealed delivery you can fork. GitHub →
Proof of attendance via ReclaimComing soon
zkTLS proof that you attended a Luma event.
FROST 2-of-3 treasuryComing soon
Sponsor funds held under threshold signatures.
03
A copied link opens nothing
$ zealed claim --invite mission-42 you key generated in browser · bound copier resends the same invite link… REJECTED claim bound to another key · already used VERIFIED reward sealed to you · ····-····
Illustrative replay — not a recorded run.
04
What each side sees
Organizer / sponsor
Counts, status, amounts
Task evidence, reward status and spend. Never your private key. Organizers know custom rewards they issue.
claims: n · status · ZEC spent
Zealed server
Metadata + ciphertext
Holds a viewing key only; stores the sealed blob it can't open.
sealed blob · viewing key
You
The code
Decrypted locally in your browser with a key that never leaves it.
decrypt → XXXX-XXXX
Honest caveat: a privileged server operator or Bitrefill can still see the plaintext code at issuance.
05
Evidence
One end-to-end run on Zcash testnet, 4 Nov 2026. Nothing else is claimed.
~71 send to end
$3.89of a $5 budget
4581978block height
shielded0 transparent in / out
Agent pickClaude Haiku → India eSIM · 1 GB / 7 days · $3.89 (budget $5)
Bitrefill invoice7d8e4569-daa5-4de9-9a35-518b7d42c47f real Bitrefill API order · test product, not redeemable
First checkout tx1bb9548ea9ee04da491071e86f7287391aa52f3260c51ce6219324615768defd ↗
First checkout height4581712