Degen Protocol
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Session against the house

Blackjack

ended Play money · 06fa162ee37f76d992eb15f04018a888

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,240 play
Returned
2,170 play
Bettor's net
-70 play
Return
96.88%

Results by hand

Final
Hands
200
played
Pace
20.7/min
overall 20.6/min
Biggest swing
+30
Seat 1 · hand 14

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

The hands

Newest first
#BetDealerHandsPaidChecked
50106♠7♣ 13Q♥A♥ 21 blackjack252.5945× the bet
49107♥9♦J♣ 267♠A♣ 18202× the bet
48103♦2♠A♦Q♥9♦ 259♣3♣7♣ 19202× the bet
47109♣A♠ 20J♦4♥K♥ 24 bust00× the bet
46109♦K♦ 19Q♠7♦ 1700× the bet
45103♥7♠9♥ 19K♣4♠ 1400× the bet
4410K♥Q♠ 2010♣9♠ 1900× the bet
43103♠10♣A♣A♣5♥ 208♦4♦5♣ 1700× the bet
4210A♠J♥ 214♣6♥ 1000× the bet
4110A♥J♦ 216♥9♥ 1500× the bet
40103♦7♦8♣ 18Q♥J♠ 20202× the bet
39107♠5♥ 12A♥5♠9♦J♠ 25 bust00× the bet
38105♦4♠K♥ 19J♣K♠ 20202× the bet
37103♦2♥Q♥9♠ 24Q♥10♦ 20202× the bet
36102♠J♦7♠ 19A♣9♥ 20202× the bet
3510K♠K♣ 208♣3♥8♣ 19 doubled00× the bet
34102♦7♣10♦ 19J♦4♦ 1400× the bet
33108♦2♣4♦J♥ 247♠10♣ 17202× the bet
32109♣7♦7♠ 239♥3♦2♥5♠ 19202× the bet
31105♥8♦3♦7♥ 23K♠5♠ 15202× the bet
30106♦J♥6♦ 227♠Q♥ 17202× the bet
29103♥2♣6♣K♠ 219♦K♠ 199♣6♣ 1500× the bet
28105♣K♦Q♠ 254♣K♣ 14202× the bet
27108♥10♥ 184♠Q♣2♦3♥ 19202× the bet
2610A♠10♣ 213♥8♥ 1100× the bet
25108♥7♠10♠ 25K♣J♦ 20202× the bet
24104♥Q♣9♣ 23J♣Q♣ 20202× the bet
23104♠8♣3♠8♠ 2310♣8♦ 18202× the bet
2210A♠9♣ 207♥2♥K♦ 1900× the bet
2110J♥A♣ 219♥6♣ 1500× the bet
2010J♣10♦ 203♦9♠4♣4♥ 20101× the bet
19105♣8♦10♦ 238♠5♣ 13202× the bet
1810J♣8♣ 183♣7♠K♦ 20202× the bet
171010♣K♥ 208♠9♦ 1700× the bet
16108♦10♦ 184♠5♦10♦ 19202× the bet
15105♠J♦K♠ 256♥5♦9♠ 20 doubled404× the bet
14106♠K♥K♥ 267♠Q♥ 177♠2♣A♠ 20 doubled606× the bet
1310Q♣10♠ 204♠Q♠6♠ 20101× the bet
12104♥10♦ 14K♠A♦ 21 blackjack252.5945× the bet
11106♣3♣Q♥ 1910♠3♦ 1300× the bet
1010K♥3♥ 139♥6♠ 15 surrendered50.5× the bet
9109♠10♠ 19A♥7♥7♠6♥ 21202× the bet
8106♥7♠5♠ 188♠3♣Q♥ 21 doubled404× the bet
7105♥3♦2♦8♣ 183♠9♦ 1200× the bet
6109♦4♣10♠ 239♦8♦ 17202× the bet
510Q♥K♥ 20J♠3♠5♠ 1800× the bet
4102♠K♠3♣A♠4♠ 20Q♣7♣ 1700× the bet
31010♥10♣ 206♦K♠ 16 surrendered50.5× the bet
2106♦9♣A♠7♣ 235♣4♣8♦ 17 doubled404× the bet
1104♣7♦10♠ 2110♣K♦ 2000× 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
de12b6e1b98d68e1f46325aa655ad4d5484dddb42b47725c6a1f7a2ad6f25f83
Seed
ab84380b0efcd2bf820bad945625ba56b182ae8b46b1f735c23ea7f910b5ae7e SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
7d2ada053e2811b3c39ca0ac03366872
Commitment
Batch 69,475, Merkle root fd46454568d24abbedb78eed115c5dc93cd9d6387959c7ab1d836e4c7ff4e8e6. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. c19ce6fdb8f77568bb8bb96bb3a123164dbc418954a019e77f76f3107b33d473
  2. 6f5b504fd7d0618e3ba2d9e231d4c02ee700bb0f93dacbe8286e0e17be655ac1
  3. ad6051bf1f8e43706ffd3af4a1ad80a405c3e328863e587442d6c4a30ad7d8b0
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.