Degen Protocol
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Session against the house

Blackjack

ended Play money · de9747f53239990b93e96b8f09f3f91e

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,260 play
Returned
2,410 play
Bettor's net
+150 play
Return
106.64%

Results by hand

Final
Hands
200
played
Pace
22.1/min
overall 20.2/min
Biggest swing
+30
Seat 1 · hand 52

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

SeatNetRateStreak
gbb+150+75.0 play/100won 1

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
1001010♥4♦ 14K♠6♣ 16 surrendered50.5× the bet
9910A♣6♦ 175♦10♣K♦ 25 bust00× the bet
98107♠7♥K♣ 244♠6♣Q♦ 20 doubled404× the bet
97105♥8♣5♥ 187♣J♦ 1700× the bet
96109♠6♦K♦ 258♠6♠4♥ 188♠10♣ 188♠K♠ 18606× the bet
9510K♠K♠ 206♦6♣4♥7♦ 23 bust00× the bet
94103♣10♥4♣ 178♣K♣ 18202× the bet
9310Q♦Q♠ 205♥8♣3♥A♠ 1700× the bet
92104♥4♦8♣9♣ 258♠7♦ 15202× the bet
9110J♣10♣ 206♥2♠3♠3♥2♥7♠ 23 bust00× the bet
9010A♣10♦ 21Q♦10♠ 2000× the bet
8910K♠Q♣ 20K♠J♣ 20101× the bet
88108♥7♠2♦ 174♣7♥7♦ 18 doubled404× the bet
87108♠4♣ 12Q♣2♣2♦K♠ 24 bust00× the bet
86106♥A♣ 1710♣K♦ 20202× the bet
8510Q♥9♣ 197♥6♥3♠K♦ 26 bust00× the bet
84105♦5♠2♠4♠2♣ 188♠3♣5♦ 16 doubled00× the bet
8310A♦A♠ 12Q♣5♠9♠ 24 bust00× the bet
82104♥4♦K♣ 184♣10♦ 1400× the bet
8110A♣7♥ 185♥6♠Q♠ 21202× the bet
80105♦K♥Q♣ 258♥A♥ 19202× the bet
791010♦3♣ 134♣9♥K♦ 23 bust00× the bet
78105♦2♥5♣Q♦ 223♥2♥9♣ 14202× the bet
77109♦4♥8♥ 217♣3♠6♦ 16 doubled00× the bet
7610A♣4♣4♦ 192♥3♠2♥7♣7♦ 21202× the bet
75103♠10♠5♥ 186♣5♠J♦ 21 doubled404× the bet
741010♦K♣ 205♦4♦7♣K♣ 26 bust00× the bet
73109♦10♥ 192♦3♦6♥6♥ 1700× the bet
7210Q♠8♠ 184♦5♣A♦ 20202× the bet
711010♣7♣ 178♥6♥J♦ 24 bust00× the bet
70102♥2♠8♠K♣ 22A♥6♦9♣ 16202× the bet
6910A♦A♣8♥ 208♦2♦Q♠ 208♦9♥ 17101× the bet
681010♣5♣Q♥ 25A♥2♠2♠A♠2♦10♠ 18202× the bet
67109♠A♠ 2010♠10♥ 20101× the bet
66103♠10♠Q♥ 232♠3♣Q♣ 15202× the bet
65102♣J♥8♠ 20J♥K♠ 20101× the bet
64108♠2♣9♣ 195♣J♦4♣ 19101× the bet
6310K♣K♣ 207♠J♠ 1700× the bet
62104♠A♠K♣10♥ 258♣J♠ 18202× the bet
61104♦K♠Q♦ 24Q♣8♦ 18202× the bet
60105♣J♣10♥ 257♥Q♠ 17202× the bet
59103♣3♣J♠J♦ 268♠6♦ 14202× the bet
5810J♣3♥ 13K♠2♣4♦10♠ 26 bust00× the bet
57105♣5♠5♦8♦ 23K♦6♦ 16202× the bet
56105♥5♥3♠A♠A♣J♣ 259♣A♦ 20202× the bet
551010♠8♠ 189♥8♣ 1700× the bet
54106♣5♦ 11A♥Q♦ 21 blackjack252.5945× the bet
53108♦4♥Q♣ 22A♦6♣2♣ 19202× the bet
52104♥5♣7♠8♦ 242♦K♠ 122♥7♦2♥ 11 doubled606× the bet
51102♣6♥ 85♥7♠J♣ 22 bust00× 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
cbeac7eb45cb342acdce3a4ba7c79942db40b34ce8451eda633949e37a2bdabd
Seed
22427153a0494a80d64fddb830541682d8ee1b84927350cb3b4202a684ed4dd8 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
b2df8ffa2a0486c00f5efa4fb3019602
Commitment
Batch 68,435, Merkle root 2addff40dcb6b01b879cb8e84064f4b00f2acc81ddd5efbd8788836811a6910a. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. 53a82ce4929a961353206aea647daff982ed054fa4551331def4b8f5df9f25c2
  2. fb43e7fb77108c13c90b34fcf8246451823d0972251a95c271b010cafb572dfb
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.