Degen Protocol
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Session against the house

Blackjack

ended Play money · 7c77a4cd645188fae935f5609ef58b18

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,240 play
Returned
2,335 play
Bettor's net
+95 play
Return
104.24%

Results by hand

Final
Hands
200
played
Pace
19.1/min
overall 20.6/min
Biggest swing
+40
Seat 1 · hand 60

Each seat's running result in play, hand by hand; the dashed line marks the biggest swing.

SeatNetRateStreak
gbb+95+47.5 play/100lost 1

Last hands

  1. 200Even0
  2. 199Seat 1+10
  3. 198Even0
  4. 197Even0
  5. 196Even0
  6. 195Even0
  7. 194Seat 1+10
  8. 193Even0
  9. 192Seat 1+10
  10. 191Even0
  11. 190Even0
  12. 189Even0

The hands

Newest first
#BetDealerHandsPaidChecked
5010A♣5♥ 167♦9♣ 16 surrendered50.5× the bet
49106♥Q♥5♣ 21Q♠9♣ 1900× the bet
4810K♠8♠ 183♥9♣3♠7♦ 22 bust00× the bet
47106♠4♥J♦ 20J♣J♠ 20101× the bet
4610Q♦J♣ 20A♥8♦ 1900× the bet
45102♠9♥3♥6♥ 20Q♣J♣ 20101× the bet
4410Q♠J♣ 207♠9♦ 16 surrendered50.5× the bet
431010♦J♣ 2010♣K♠ 20101× the bet
42106♠9♦4♣ 19J♦2♥ 1200× the bet
411010♦10♣ 205♣7♣10♣ 22 bust00× the bet
40107♣3♣ 106♥J♣Q♥ 26 bust00× the bet
391010♠6♠9♠ 257♥J♦ 17202× the bet
3810A♠10♣ 212♥5♥ 700× the bet
37108♦2♣5♦2♥ 178♠J♠ 18202× the bet
3610Q♥J♥ 209♠J♦ 1900× the bet
35102♠5♠J♠ 172♥Q♣10♦ 22 bust2♥Q♠9♣ 21202× the bet
34107♣10♦ 17Q♦9♦ 19202× the bet
3310A♥10♣ 2110♠9♦ 1900× the bet
32108♣A♦ 19A♥6♦6♦9♠ 22 bust00× the bet
31105♣9♥K♦ 243♦6♥K♦ 19 doubled404× the bet
30104♥6♠ 10A♣J♠ 21 blackjack252.5945× the bet
291010♠J♥ 205♦8♦A♥10♣ 24 bust00× the bet
28104♠K♣6♠ 209♣J♠ 1900× the bet
2710Q♣6♦ 165♠9♣J♦ 24 bust00× the bet
261010♠6♣10♠ 264♦10♠3♣ 17202× the bet
25103♣K♥ 13A♣5♠6♠Q♠ 22 bust00× the bet
24107♦5♥ 127♥9♣K♠ 26 bust00× the bet
23109♣8♣ 173♣5♦8♣5♥ 21202× the bet
221010♠J♥ 208♥7♣ 15 surrendered50.5× the bet
2110K♠Q♣ 20J♣A♣ 21 blackjack252.5945× the bet
20103♦3♦2♦8♦2♠ 184♠4♥9♥ 1700× the bet
1910A♦Q♠ 214♥2♠ 600× the bet
18105♣9♥A♣Q♦ 256♣7♥ 13202× the bet
17108♥K♠ 18Q♠3♠K♠ 23 bust00× the bet
16109♠9♠ 184♦K♣Q♣ 24 bust00× the bet
15102♥Q♦J♠ 22K♥10♥ 20202× the bet
14103♣6♦Q♥ 19A♦9♦ 20202× the bet
1310J♣6♦K♣ 263♦4♥J♣ 17202× the bet
12103♣8♦K♥ 2110♥5♦ 1500× the bet
11108♠10♠ 18A♥3♣ 14A♥8♦ 19202× the bet
10106♣J♣Q♠ 262♠4♦10♣ 16202× the bet
9107♣K♣ 17Q♥Q♦ 20202× the bet
8102♠7♦10♦ 1910♠J♠ 20202× the bet
7102♥6♠7♥9♦ 248♦4♣6♠ 18202× the bet
6108♥A♥ 19K♦6♣J♥ 26 bust00× the bet
5107♣6♠9♠ 228♣4♥9♣ 218♦Q♥ 18404× the bet
4105♥J♣3♣ 189♦3♣ 1200× the bet
3104♦J♥J♦ 24J♣10♣ 20202× the bet
210Q♦7♣ 17J♥5♦ 15 surrendered50.5× the bet
110Q♥4♠6♠ 207♣3♥A♦ 21202× the bet

Provably fair

Verify fairness

The session's seed decides every card. Its hash was committed before the first hand; the seed is revealed when the session ends. Each round's cards come from HMAC-SHA256 keyed by the seed over the round's number and the bettor's own seed.

Seed hash
c3aaf98b3040d768e81a015b317935185ccffdf7a6a23be4dfbe59cffce152e6
Seed
e4a1437c90930aabb54717bfe8a2f858686adab258f569d9cda1118253ed799c SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
d8fc8e7919a47215d6c7bc6d9016c554
Commitment
Batch 68,989, Merkle root 9adae83d4c57846a9bc4fb99bb292f9c4cef6f0b5f8ad7d5d50b4c6f8177fa32. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. 9ffbac197ac9c65d3b8d1110d1149b6eb7b06bce13ef8b82f53ff8b619be68cd
  2. 9e6f84434854d23a97a1853b708f414081fa834a547c4b4321e13e5fe6814f3b
  3. 48e962dab9d293ca8b9c99f7e06a761a17a9c39143b96123c12a96e017cc198d
Checked: the seed hash proves into the root.

To check it yourself, take the session's proof:

  1. Hash the seed as above and compare it with the seed hash; prove the seed hash into the root with the Merkle path (keccak256, as for every match).
  2. For each round: round seed = HMAC-SHA256(key = seed, "degen.house.round.v1" ‖ 0x00 ‖ u64be(length of the bettor's seed) ‖ bettor's seed ‖ u64be(round)).
  3. Key ChaCha20 (RFC 8439, zero nonce) with the round seed and read little-endian 64-bit words; a card is the next word below 264 − 1 − ((264 − 1) mod 52), modulo 52.
  4. Replay the round's actions with the game's rules: the cards and the payout must match.

The replay plays every hand rebuilt this way on the server from the same data, and marks any that does not rebuild as recorded.