TrueNorth
Toggle sidebar
Draw Details
Revealed
Drand Quicknet
API Turbo-Draw

Round ID: 4d144519-8b54-463d-b2f8-df83c193f90d

40 Sold · 99 Max Tickets
Winning Ticket
1 winner
Draw #2
#39
Verified by Drand distributed randomness beacon
Derived Numbers
2 numbers
1 winner
Attempt
Ticket
Outcome
Verify
0 92
Unsold
1 39
Winner
Verifiably Fair Data
Server Seed (Revealed)
Drand Signature (Public)

91f9efbf99995e1637ec8af8ba0c8bc024d7eca8a3fbe8a837585cf80eba30ffcc97d99f8ef7f8b475bdf931924dd327

Client Seed
Draw Timestamp
Round ID
Static Salt
Tickets Sold
Max Tickets
All Together
Pre-hash String
This is the combination of all the above data then provided to a HMAC-SHA256 hashing algorithm, using the Server Seed as the key.
Combined as: client_seed:round_id:static_salt:tickets_sold:max_tickets
Hash
The below hash is the result of the above pre-hashed string.
Verification
Multi-Number Draw
This is an API auto-draw that generated multiple numbers. Each number can be independently verified.
Index 0 Verified
The first number (index 0) matches the base round result. This confirms the draw is verifiably fair.
How to Verify Each Number

To manually verify each number, use the verification form with these client seeds:

Index 0 (first number): 1793562193633
Index 1, 2, 3... (subsequent numbers): 1793562193633:N
Replace N with the index number (1, 2, 3, etc.)

Use the verify button next to each number in the attempts table, or manually verify using the data below.

Open Verification Form
Drand Proof

This round was generated using the Drand Quicknet beacon.

Drand Round: 33586278
View Raw Beacon Data (API)
Draw Information
External ID 40-h3Q00JKR
Numbers Derived 2
Pool Size 99
Status
Completed
Company Information
Name Retro Competitions
Number 15787178
Draw Timeline
Committed
Drand Round
Revealed