Degen Protocol
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Session against the house

Blackjack

ended Play money · 54030e9251ee8a92423dde9848cf076a

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,220 play
Returned
2,290 play
Bettor's net
+70 play
Return
103.15%

Results by hand

Final
Hands
200
played
Pace
21.6/min
overall 20.8/min
Biggest swing
-20
Seat 1 · hand 15

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

SeatNetRateStreak
gbb+70+35.0 play/100won 1

Last hands

  1. 200Seat 1+10
  2. 199Even0
  3. 198Seat 1+10
  4. 197Seat 1+20
  5. 196Seat 1+10
  6. 195Seat 1+15
  7. 194Even0
  8. 193Even0
  9. 192Even0
  10. 191Seat 1+10
  11. 190Even0
  12. 189Seat 1+10

The hands

Newest first
#BetDealerHandsPaidChecked
10010A♥9♥ 202♣6♣3♠8♦ 1900× the bet
99109♥8♦ 178♣7♠10♠ 25 bust00× the bet
98108♣5♦A♥5♥ 19K♣10♣ 20202× the bet
97108♥4♣10♦ 225♦5♥K♦ 20 doubled404× the bet
96105♠K♠K♠ 25K♦J♥ 20202× the bet
95107♣8♥ 158♦6♦8♦ 22 bust00× the bet
94102♣Q♠8♣ 20J♣2♥2♣ 1400× the bet
93104♦2♥7♠2♠A♦6♣ 22Q♦5♦ 15202× the bet
92103♣2♦4♦J♠ 198♠A♠ 19101× the bet
9110K♥4♣10♦ 24Q♦10♦ 20202× the bet
90105♠10♦K♥ 259♥5♥ 14202× the bet
8910A♥7♠ 1810♠K♠ 20202× the bet
8810A♦3♦ 145♣K♦J♣ 25 bust00× the bet
87103♦A♣5♣ 19J♣K♠ 20202× the bet
86103♥5♥A♣ 1910♠J♣ 20202× the bet
8510J♣3♥ 136♥9♦ 15 surrendered50.5× the bet
84105♠7♥9♦ 218♠A♣ 1900× the bet
83109♥2♣ 119♠6♦J♠ 25 bust00× the bet
8210Q♠5♥ 156♠10♠ 16 surrendered50.5× the bet
81102♦J♣A♦J♦ 2310♣6♠ 16202× the bet
8010K♥2♥4♥A♠ 174♥A♠2♠3♦ 20202× the bet
79102♣6♠2♠7♥ 178♣6♦ 1400× the bet
78105♦Q♦J♣ 254♦8♣ 12202× the bet
7710A♦6♠ 177♦Q♣ 17101× the bet
76105♠6♥ 11J♠A♣ 21 blackjack252.5945× the bet
75102♣K♣4♠Q♣ 2610♣2♣7♠ 19202× the bet
74103♦4♥K♠ 179♣J♦ 19202× the bet
73108♣8♠9♥ 259♦8♠ 17202× the bet
72108♣3♣2♠9♣ 222♠8♣3♠ 13 doubled404× the bet
71107♠J♣ 1710♣6♦3♦ 19202× the bet
70105♦K♦5♦ 202♦4♣A♦4♦ 21202× the bet
69106♠8♣4♣ 185♦5♠J♦ 20 doubled404× the bet
681010♠Q♦ 203♠6♣A♦ 20101× the bet
6710J♦3♣10♦ 23Q♦J♦ 20202× the bet
6610J♠9♣ 19A♥10♣ 21 blackjack252.5945× the bet
65107♠6♠8♣ 219♣9♥ 1800× the bet
64104♣6♣4♣2♠Q♦ 265♠7♣ 12202× the bet
6310J♥5♥A♥10♣ 26Q♦9♣ 19202× the bet
6210K♥9♦ 19K♠5♣ 15 surrendered50.5× the bet
61107♥3♣4♣8♣ 223♥J♠7♣ 20202× the bet
60107♥2♣6♥K♥ 257♠8♣7♣ 22 bust7♣6♦8♥ 21202× the bet
591010♦3♦K♥ 23Q♣9♦ 19202× the bet
5810K♣5♥ 15A♥7♥4♣10♥ 22 bust00× the bet
57102♣5♠5♥5♣ 174♠8♠8♦ 20202× the bet
56103♣J♣8♠ 21A♥9♠ 2000× the bet
5510A♣J♣ 219♥Q♥ 1900× the bet
54108♣7♥J♥ 25J♣K♣ 20202× the bet
53109♣A♠ 2010♦A♠ 21 blackjack252.5945× the bet
52107♦6♠ 132♠6♥8♦8♣ 24 bust00× the bet
511010♠3♠ 136♠Q♣ 16 surrendered50.5× 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
485a10fc117d4f2dbba371ca790e62914cb88a8c51f9b8f1216a016769344784
Seed
6a6f7b5396957844827988fc45d3df0cd9bd8ca697d5f24ab8333c134e197db0 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
26e249c2fd720de61f863727f9b45398
Commitment
Batch 66,673, Merkle root 60eb95ed337ed5fb9aef325d9249403c2e1027c6feee6462a177ec4aaac0c99d. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. dae56f9779ca664a2c973081e3d118ef193602ec82bf621275907ec8f09606c4
  2. 36f589c8c3582da901297d8875f3f907374778d2ae58ed4218a82df124b3c3c7
  3. d600644d815644958e806229487806d66c5d27914de53d92e38211745cd8fd22
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.