DOUBLE OR NOTHING
The purest flip. Most spins you double your money — or you walk with nothing. Land the rare side and it's a $1,000 cash hit, or the whole coin. One item, one flip, public odds, 1,000,000 provably-fair tickets.
Prize pool & odds · 6 items
Every won prize gives you these options.
- Claim physical item
- Convert to balance
- Withdraw to crypto
- Use value in battles
Every drop is HMAC-SHA256 derived from the active server seed, your client seed, and a per-open nonce. Verify any opening on the Provably Fair page.
Frequently asked questions
What can you win in the DOUBLE OR NOTHING pack?
Real items — Bitcoin, Cash — including MEGA — 1 Bitcoin. 6 items in the pool, each with exact published odds. Win the real item shipped to you, or cash out instantly in crypto.
How much does the DOUBLE OR NOTHING pack cost?
$20.00 per open on GrailDrop.
Is the DOUBLE OR NOTHING pack provably fair?
Yes. Every open is HMAC-SHA256 derived from the active server seed, your client seed and a per-open nonce, with exact published probabilities — verify any result on the Provably Fair page.
Can I get the real item, or take the cash?
Both. Keep the real Bitcoin shipped to your door, convert it to balance, or withdraw the value instantly in crypto.