Degen Protocol
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Session against the house

Blackjack

ended Play money · 46785f078708e0b7ff7b854fccaebffe

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,320 play
Returned
2,545 play
Bettor's net
+225 play
Return
109.70%

Results by hand

Final
Hands
200
played
Pace
21.9/min
overall 20.3/min
Biggest swing
+60
Seat 1 · hand 86

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

SeatNetRateStreak
gbb+225+112.5 play/100won 1

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
50102♠7♣6♥8♦ 23J♣9♠ 19202× the bet
4910A♦5♦Q♦10♦ 26A♥4♦5♦ 20202× the bet
48102♥5♦5♦K♦ 229♣4♠ 13202× the bet
4710J♠7♠ 17A♣J♥ 21 blackjack252.5945× the bet
46105♣5♦Q♥ 2010♦6♣ 1600× the bet
45105♠3♠Q♣ 184♦A♥10♦ 15 doubled00× the bet
44103♦5♥ 8A♣J♥ 21 blackjack252.5945× the bet
43105♥9♠7♥ 21A♠4♦ 15A♠7♦ 1800× the bet
42107♣9♣ 166♣J♣9♠ 25 bust00× the bet
41106♦A♥ 176♦3♣Q♦ 19 doubled404× the bet
40108♦2♥ 10A♣Q♥ 21 blackjack252.5945× the bet
39105♠8♥J♠ 235♦5♣8♠ 18 doubled404× the bet
38105♠A♦3♠ 199♥2♠4♦ 15 doubled00× the bet
371010♣7♣ 172♦6♦6♥K♠ 24 bust00× the bet
3610K♥K♥ 20A♣5♠7♣A♥5♥ 1900× the bet
3510K♠10♠ 204♥8♥6♦ 1800× the bet
34108♥4♥3♣Q♥ 255♦3♦3♦K♠ 21202× the bet
33109♥3♣8♦ 203♥K♠8♣ 21202× the bet
32105♣8♦5♠ 187♥J♠ 1700× the bet
31107♣7♣3♥ 173♠K♥10♣ 23 bust3♠K♣8♠ 21202× the bet
30105♦6♣K♣ 21Q♥7♠ 1700× the bet
29103♥2♦J♥4♣ 1910♥4♠ 1400× the bet
2810J♣K♠ 203♥K♦6♦ 1900× the bet
27106♠2♥8♦K♠ 2610♦2♦ 12202× the bet
2610Q♥9♦ 193♣J♦2♣J♠ 25 bust00× the bet
25104♣5♠K♣ 1910♥4♥ 1400× the bet
24105♦10♠8♥ 237♠4♠2♣ 13 doubled404× the bet
23109♣2♥A♣10♥ 22Q♠7♦ 17202× the bet
22105♦J♠A♥J♥ 26K♥4♣ 14202× the bet
211010♠8♥ 185♣3♥9♣ 1700× the bet
20108♦7♥K♣ 257♠4♦10♥ 21 doubled404× the bet
1910K♥10♣ 20K♣Q♣ 20101× the bet
1810A♥7♣ 189♥J♠ 19202× the bet
17108♠3♥5♣Q♥ 266♠9♥6♠ 21202× the bet
16107♦3♣2♣3♣7♥ 22J♠K♥ 20202× the bet
1510A♦10♠ 2110♣J♦ 2000× the bet
141010♠4♣J♠ 24Q♣10♥ 20202× the bet
1310Q♣J♣ 202♦Q♥5♣ 1700× the bet
1210Q♦10♣ 208♥Q♥ 1800× the bet
11107♦5♥3♦10♥ 259♥10♦ 19202× the bet
1010Q♥Q♥ 208♦K♦ 1800× the bet
9109♠9♦ 1810♠3♥J♣ 23 bust00× the bet
8109♥A♥ 202♦3♠8♣Q♠ 23 bust00× the bet
7104♠Q♣4♠ 1810♦7♥ 1700× the bet
6104♦K♣7♥ 219♠6♥ 1500× the bet
51010♦2♦ 122♥J♣J♠ 22 bust00× the bet
4102♠3♥Q♣4♠ 192♠K♥9♥ 21202× the bet
3102♠8♠4♥6♠ 20K♥2♦8♣ 20101× the bet
210J♠5♥4♣ 192♣2♠10♣5♠ 19101× the bet
1109♦Q♦ 19Q♣K♠ 20202× 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
80ccab63f68741a3eae4f63afbb6d731ba918daca0f7ff6a31622874439f126a
Seed
5681b93bd2031e78849828d1614464025673ef5d113e703eeb72a42d4c754e16 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
9be491fe2c3eb787d6cc8bd64f1be04d
Commitment
Batch 70,498, Merkle root 7bf667ead7fb19cebd67c00820543545302971ea32fe3bcbbcc10c9306d0b5d4. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. d3ae5ca1653ee94a97e0c8458d8cb7c2a9708f0af4aaa7d57501698abf3a0aa2
  2. 6a33a9a47bd45ea2641da38ca75e733508f3918f58b7652de7bf27152671bf5d
  3. 040c5b780e73e9017c3908337e4eee14f3b949a4dec086b718cf9dcfe2a9a633
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.