Degen Protocol
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Session against the house

Blackjack

ended Play money · 61529c5ff9245b1d82443a30512f8291

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,340 play
Returned
2,295 play
Bettor's net
-45 play
Return
98.08%

Results by hand

Final
Hands
200
played
Pace
21.4/min
overall 21.1/min
Biggest swing
+20
Seat 1 · hand 4

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

SeatNetRateStreak
gbb-45-22.5 play/100won 1

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
50103♦9♠A♦K♣ 239♦Q♥ 19202× the bet
49102♥K♠9♦ 214♦2♦3♥9♠ 1800× the bet
48109♦A♠ 209♠3♦8♣ 20101× the bet
47102♣9♥J♥ 21J♠J♣ 2000× the bet
46108♣2♥K♣ 2010♠7♣ 1700× the bet
4510Q♠2♠10♣ 2210♣9♣ 19202× the bet
44109♥K♠ 192♠Q♣J♠ 22 bust00× the bet
43108♥K♥ 188♥6♣4♠ 18101× the bet
42107♣Q♦ 172♣K♣5♦ 17101× the bet
41103♠6♠A♦ 20A♦6♠3♠ 20 doubled202× the bet
401010♣8♦ 187♥Q♠ 1700× the bet
391010♦3♥ 139♠6♥ 15 surrendered50.5× the bet
38105♣Q♠Q♣ 257♥A♠4♦ 12 doubled404× the bet
37106♠3♠2♣2♥A♠Q♠ 248♦4♦ 12202× the bet
36106♣2♣9♦ 173♣A♦K♦ 14 doubled00× the bet
35106♦A♣ 173♦J♥ 1300× the bet
34109♦2♦Q♠ 2110♣K♣ 2000× the bet
3310A♠2♣5♥ 186♣A♠4♦ 21202× the bet
3210K♥9♣ 198♣9♠ 1700× the bet
311010♣3♥3♣9♠ 253♦4♣Q♠ 17202× the bet
30104♥7♦4♦A♠K♣ 26J♥2♣ 12202× the bet
2910K♦7♠ 175♣Q♥ 15 surrendered50.5× the bet
2810J♦Q♣ 209♠K♥ 1900× the bet
2710A♥5♠2♦ 182♥A♦Q♣5♣ 18101× the bet
26105♠J♥J♠ 25J♥3♠ 13202× the bet
25108♣K♦ 188♥K♠ 18101× the bet
2410J♥4♣ 1410♣5♣ 15 surrendered50.5× the bet
2310A♥8♣ 1910♦K♣ 20202× the bet
22104♣A♣7♠4♦10♠ 265♣A♣9♦ 15 doubled404× the bet
21106♣6♦A♦6♠ 192♥3♣J♣ 1500× the bet
20106♥10♦6♣ 22A♣5♦J♥ 16 doubled404× the bet
1910J♦Q♥ 204♣9♣A♣J♦ 24 bust00× the bet
18104♣3♠Q♦ 1710♥9♣ 19202× the bet
17103♣K♥5♦ 18K♠10♥ 20202× the bet
1610J♣A♠ 217♦A♥ 1800× the bet
15104♥10♠5♠ 197♠4♦4♦ 15 doubled00× the bet
14103♠7♥10♦ 20A♠3♠3♥5♣7♦ 1900× the bet
13106♣K♣K♠ 26Q♦2♦ 12202× the bet
1210A♣4♣K♣2♠ 172♥2♥7♦9♣ 20202× the bet
11108♣10♠ 189♥5♥Q♠ 24 bust00× the bet
10102♥9♣J♠ 218♦7♥ 1500× the bet
91010♣4♥ 148♣5♦Q♠ 23 bust00× the bet
8109♦6♠A♥8♣ 243♥9♣2♠7♣ 21202× the bet
7106♦4♥5♠6♠ 21Q♥5♥ 1500× the bet
610J♠Q♥ 204♠A♣J♣6♦ 21202× the bet
5108♠A♦ 192♠3♠7♦Q♠ 22 bust00× the bet
4106♦Q♥6♣ 225♣5♠J♣ 20 doubled404× the bet
31010♦7♠ 175♣9♥5♦ 19202× the bet
2106♠8♣3♥ 174♦Q♠ 1400× the bet
11010♥A♣ 215♦4♥ 900× 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
e7fd52024803cf93b67c8b19676015bc61bc12b904cb1d437a9eb0e5a02a5490
Seed
75081e01ba7290ba3b244cffe3044ec830e36b71f7c4078a1c42e74fcb2d2125 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
97229ce18ecc3c4087539c3acdcf9d7e
Commitment
Batch 69,053, Merkle root 40cb89f2c600d004e799c8573f0836a76591ae6e204c9383675e3ea820e8a07b. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. a744166246bd4c95485cb49773858b77d6436d266c17ce8ad70968fcfb748358
  2. 8cdb4d4ca16fb0ef4550823c4d91183fafe57d415183390461ab76fb5edc3618
  3. 4cca24691ec9aac75e457ef653a901cd45845bc164cfebdfc309403550af87fc
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.