Degen Protocol
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Session against the house

Blackjack

ended Play money · 46473884fc2617d4d09fb742c1592dba

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,290 play
Returned
2,105 play
Bettor's net
-185 play
Return
91.92%

Results by hand

Final
Hands
200
played
Pace
17.5/min
overall 20.7/min
Biggest swing
+60
Seat 1 · hand 194

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

SeatNetRateStreak
gbb-185-92.5 play/100won 2

Last hands

  1. 200Seat 1+10
  2. 199Even0
  3. 198Seat 1+10
  4. 197Even0
  5. 196Even0
  6. 195Even0
  7. 194Seat 1+60
  8. 193Seat 1+10
  9. 192Even0
  10. 191Even0
  11. 190Seat 1+10
  12. 189Even0

The hands

Newest first
#BetDealerHandsPaidChecked
10010J♦3♦ 139♦5♦8♥ 22 bust00× the bet
99103♦8♥7♥ 185♣A♥3♥ 19202× the bet
98106♦7♥5♣ 18Q♣6♣ 1600× the bet
9710Q♥8♠ 18K♣J♣ 20202× the bet
9610Q♦Q♦ 205♣7♥Q♥ 22 bust00× the bet
9510J♥7♥ 17J♠A♦ 21 blackjack252.5945× the bet
94108♠7♣J♥ 255♠Q♣4♦ 19202× the bet
93107♦J♥ 172♥4♠8♠4♦ 18202× the bet
9210K♥6♣ 166♣10♥ 16 surrendered50.5× the bet
9110A♦6♦ 177♦Q♣ 17101× the bet
9010J♠6♠ 163♥7♦2♥Q♥ 22 bust00× the bet
891010♦10♠ 208♥7♥ 15 surrendered50.5× the bet
88107♠3♦ 103♠10♥Q♠ 23 bust00× the bet
8710K♠3♣ 13J♦5♦ 15 surrendered50.5× the bet
86108♦9♠ 17A♣9♥ 20202× the bet
8510K♦J♥ 2010♥10♦ 20101× the bet
8410A♣A♦ 126♣J♣ 16 surrendered50.5× the bet
83109♥9♥ 186♣3♥9♣ 18101× the bet
82105♦2♦K♣ 174♥9♣ 1300× the bet
81108♦9♥ 17K♦4♥Q♠ 24 bust00× the bet
80107♥7♠8♥ 223♦9♠7♦ 19202× the bet
7910K♠J♥ 2010♣9♦ 1900× the bet
78106♣A♠ 172♠3♠3♣J♦ 18202× the bet
77106♠K♦2♦ 186♦K♥ 1600× the bet
76108♦7♠ 154♠9♥J♣ 23 bust00× the bet
75103♦4♥J♠ 176♥7♠ 1300× the bet
74105♣A♥A♣ 175♦Q♦ 1500× the bet
73109♣Q♦ 19Q♣9♣ 19101× the bet
7210A♠6♦ 1710♥9♠ 19202× the bet
71105♥A♠J♥Q♣ 269♠5♠ 14202× the bet
70106♥J♥ 16A♥Q♥ 21 blackjack252.5945× the bet
69102♥5♥K♥ 17A♦3♥Q♥ 1400× the bet
68105♦6♥K♠ 214♥8♦ 1200× the bet
671010♠9♥ 19J♣5♣ 15 surrendered50.5× the bet
66103♠2♦ 56♥2♠4♥K♣ 22 bust00× the bet
65104♦5♥A♦ 20J♣Q♥ 20101× the bet
64109♦3♥ 126♥Q♠ 16 surrendered50.5× the bet
6310A♥4♥ 153♦2♠Q♥Q♠ 25 bust00× the bet
62104♦Q♣9♠ 23K♥5♣ 15202× the bet
611010♠A♥ 213♣9♣ 1200× the bet
60106♥K♦4♦ 208♥Q♥ 188♥Q♥ 1800× the bet
591010♣5♦ 15J♠6♣ 16 surrendered50.5× the bet
5810A♦A♦ 124♠Q♦10♠ 24 bust00× the bet
57109♣K♥ 19Q♦4♥9♦ 23 bust00× the bet
56104♣A♦ 15A♥K♦ 21 blackjack252.5945× the bet
55105♥2♥9♣8♦ 245♥6♥Q♣ 21 doubled404× the bet
54108♠Q♥ 185♣J♠Q♦ 25 bust00× the bet
5310Q♠9♦ 199♣A♣ 20202× the bet
52107♣6♠ 13K♥A♦ 21 blackjack252.5945× the bet
51105♥7♥8♦ 203♣5♦8♠ 1600× 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
70c6f2b83088e8579928739fd7c4cd43f8e009d139d3a9ffbf7c73d74fb3d325
Seed
ae9fd7d3d46f6f876150fdbc4278c182c658da14d2e8428f479efa9d2236af7c SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
676b6435e57a5b9b050b722301ed16ba
Commitment
Batch 69,370, Merkle root 419c9ddd6fe496feebd00804d77d9e9ac56491896ae5bd378b44223d9c17677f. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. 555f4cb0f6c852811f25e96ace9e6a6d64638d1013188431460c5a2ca09f88db
  2. bf1c0e8227f572e546418b60caf352052900d6f743854ade7636f2b90efe73be
  3. b178fc6c282c45c30cd35942a5016ee8179abefd8eacdc259f9665a52aee0038
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.