Degen Protocol
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Session against the house

Blackjack

ended Play money · 106809e829ee036946f9892f7bdb9f54

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,330 play
Returned
2,560 play
Bettor's net
+230 play
Return
109.87%

Results by hand

Final
Hands
200
played
Pace
22.1/min
overall 21.3/min
Biggest swing
+40
Seat 1 · hand 37

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

SeatNetRateStreak
gbb+230+115.0 play/100won 8

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
5010A♦3♠ 146♣9♠J♣ 25 bust00× the bet
49105♦4♥K♥ 192♦Q♥ 1200× the bet
48104♣K♠A♣10♣ 252♦J♠ 12202× the bet
4710Q♣7♥ 174♦8♥9♦ 21202× the bet
4610K♣8♣ 1810♠K♦ 20202× the bet
45109♦9♣ 183♣10♥10♥ 23 bust00× the bet
44109♦3♥ 12Q♥3♠9♦ 22 bust00× the bet
431010♥10♣ 20J♣9♦ 1900× the bet
42106♣3♥J♦ 195♥8♠ 1300× the bet
41107♥10♠ 176♣7♣6♦ 19202× the bet
4010Q♣3♠K♠ 23A♦7♥Q♥ 18202× the bet
3910Q♠10♦ 204♣10♦10♦ 24 bust00× the bet
38109♦3♠7♥ 198♠2♣J♣ 20 doubled404× the bet
37106♦4♣5♥8♦ 232♥A♦2♥ 15 doubled2♦8♣3♦ 13 doubled808× the bet
36102♣K♠5♣ 17K♣4♠ 1400× the bet
3510A♠3♠ 14Q♠3♣J♣ 23 bust00× the bet
34106♥4♦3♥6♦ 19Q♥2♣ 1200× the bet
33105♣2♦9♠A♥ 173♦8♦4♠ 15 doubled00× the bet
32104♥9♦5♣ 188♠3♣J♥ 21 doubled404× the bet
3110K♦Q♣ 20A♣K♥ 21 blackjack252.5945× the bet
30103♠6♠J♦ 195♠5♦8♦ 18 doubled00× the bet
2910J♣4♣6♦ 209♥K♥ 1900× the bet
28103♣4♥7♦3♦ 177♣Q♥ 177♠Q♥ 17202× the bet
27106♠Q♠8♦ 247♣3♥5♣ 15 doubled404× the bet
26106♠9♦J♠ 25Q♠7♣ 17202× the bet
25103♣10♠8♦ 2110♠K♠ 2000× the bet
241010♥2♦7♦ 199♠8♠ 1700× the bet
2310K♠A♥ 217♠6♣ 1300× the bet
22104♠K♣ 14A♦10♣ 21 blackjack252.5945× the bet
2110A♥5♥ 165♣2♣9♥10♥ 26 bust00× the bet
20102♠3♠ 52♥J♦Q♥ 22 bust00× the bet
19105♣3♠3♠2♣A♥5♣ 19J♠4♦ 1400× the bet
1810Q♦10♠ 209♣10♠ 1900× the bet
1710K♥4♣J♦ 2410♦8♥ 18202× the bet
16106♠6♠2♦4♥ 18Q♥Q♠ 20202× the bet
1510Q♠4♥J♦ 24Q♠7♣ 17202× the bet
14108♠9♥ 17K♦5♥7♣ 22 bust00× the bet
13109♠8♥ 176♥9♠7♦ 22 bust00× the bet
1210J♣3♠2♦3♣ 188♣K♦ 18101× the bet
11107♦3♥5♠10♥ 253♠8♠7♣ 18 doubled404× the bet
101010♠5♦ 157♦2♣7♠7♥ 23 bust00× the bet
910J♦10♣ 203♠K♦2♣8♣ 23 bust00× the bet
8102♦6♠9♥ 17Q♠3♥ 1300× the bet
7108♠K♥ 18K♥3♠J♥ 23 bust00× the bet
6103♠J♠3♦8♠ 247♠4♣9♥ 20 doubled404× the bet
5104♥10♠J♦ 247♣Q♥ 17202× the bet
41010♦2♥ 12A♥6♥7♥9♥ 23 bust00× the bet
3102♥8♠8♠ 186♠8♣ 1400× the bet
2103♥9♣K♥ 22K♣7♥ 17202× the bet
110K♣J♠ 207♠9♥ 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
1ccc8c216830b88faf42bca48916a103570ced0ac0b0b93e872eccb59f410bbb
Seed
17b0d71241c8f44f0f5ed3217d4793665bab81144f552ed3ddc8a22b60a10576 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
6b4a40b60442d04fcc307b7d166dffde
Commitment
Batch 70,526, Merkle root fdca4c83c491eedf991e6f1a51aa205349b51b7bc0ab9c4d9e0555d10693c150. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. 6ca0969b40867f99ea307fb6ea126b0c3167666c9ea8763049b6482bc87ad068
  2. bec40e05a6666ec0ba77eddc10162c6cbbd0c3d71e8987a346165a2b4d1356c8
  3. e406ba4e6c782a503fff31fa1e1d274ec4e90cabf73434ce12e818c35e7504c1
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.