Degen Protocol
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Session against the house

Blackjack

ended Play money · 616d3cfb9bdfb8cee6d6f5a1a8524fdd

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,230 play
Returned
2,205 play
Bettor's net
-25 play
Return
98.88%

Results by hand

Final
Hands
200
played
Pace
19.4/min
overall 20.5/min
Biggest swing
+30
Seat 1 · hand 194

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

SeatNetRateStreak
gbb-25-12.5 play/100lost 5

Last hands

  1. 200Even0
  2. 199Even0
  3. 198Even0
  4. 197Even0
  5. 196Even0
  6. 195Even0
  7. 194Seat 1+30
  8. 193Even0
  9. 192Even0
  10. 191Even0
  11. 190Seat 1+20
  12. 189Seat 1+10

The hands

Newest first
#BetDealerHandsPaidChecked
100108♠A♣ 195♠9♠4♠ 1800× the bet
9910J♥4♣ 14K♠4♠9♠ 23 bust00× the bet
98103♣K♥ 13A♠Q♦ 21 blackjack252.5945× the bet
9710A♠A♠Q♣8♥ 203♥9♣7♣ 1900× the bet
96107♣Q♦ 17K♣7♥ 17101× the bet
9510Q♦8♦ 185♥4♣5♦4♥ 18101× the bet
9410J♦Q♦ 208♦A♠ 1900× the bet
9310Q♦6♥K♠ 266♥8♥4♣ 18202× the bet
92104♠K♥9♦ 233♠7♦3♦ 13 doubled404× the bet
9110J♦K♥ 203♠9♦9♠ 21202× the bet
90107♥9♥10♣ 26A♦9♠ 20202× the bet
89108♠10♣ 182♣A♣9♦Q♣ 22 bust00× the bet
88103♥A♥6♥ 207♥5♦3♠ 1500× the bet
87106♥A♦ 17Q♥Q♥ 20202× the bet
86106♠5♥7♦ 18A♦10♠ 21A♠10♣ 21404× the bet
85102♥4♠Q♥Q♦ 266♦5♠4♣ 15 doubled404× the bet
84102♣3♠6♠10♦ 213♦Q♥ 1300× the bet
83108♦6♣2♣4♥ 20K♥8♠ 1800× the bet
8210J♦7♥ 17A♣10♣ 21 blackjack252.5945× the bet
81105♠6♣8♦ 196♦5♦K♥ 21 doubled404× the bet
80103♦4♥5♦9♠ 21K♥5♠ 1500× the bet
79105♦5♠2♥9♥ 213♦Q♥ 1300× the bet
78107♥9♣ 1610♥2♦Q♠ 22 bust00× the bet
77103♣9♥ 12J♣A♣ 21 blackjack252.5945× the bet
76108♥5♦4♣ 173♣7♥8♦ 18 doubled404× the bet
7510J♠8♥ 18A♥5♣10♦A♦ 1700× the bet
74102♥9♣3♣2♦K♠ 26Q♥Q♠ 20202× the bet
73107♠3♠ 10Q♥3♦2♥8♦ 23 bust00× the bet
72109♦Q♦ 19A♣9♥ 20202× the bet
71106♣2♠3♦5♦4♠ 203♣5♠9♠ 1700× the bet
7010K♣Q♣ 204♥5♥4♠3♦6♥ 22 bust00× the bet
69106♦A♣ 175♦4♣6♥ 15 doubled00× the bet
68108♠6♣ 14K♥4♥Q♠ 24 bust00× the bet
6710J♣9♦ 1910♣6♠ 16 surrendered50.5× the bet
6610A♣J♣ 219♥Q♦ 1900× the bet
6510K♠Q♦ 205♠8♠8♦ 21202× the bet
64107♠6♠ 137♣9♥Q♠ 26 bust00× the bet
63107♣J♣ 17Q♠3♣J♣ 23 bust00× the bet
6210K♦4♠ 147♣6♥J♥ 23 bust00× the bet
611010♥6♠4♠ 204♦3♣Q♣ 1700× the bet
6010Q♠J♥ 206♣3♥4♦8♣ 21202× the bet
5910A♦10♥ 219♦3♦ 1200× the bet
58106♠A♦ 17J♦K♥ 20202× the bet
5710K♥2♠A♠6♣ 199♦Q♠ 19101× the bet
5610K♦8♠ 1810♠K♥ 20202× the bet
55105♥9♥J♥ 24J♣J♣ 20202× the bet
54106♥J♠10♦ 263♥A♥10♠ 14 doubled404× the bet
5310J♥4♥5♦ 195♣4♣4♠8♦ 21202× the bet
52102♣3♦7♥6♣ 187♣A♣ 18101× the bet
5110K♥2♣A♣10♣ 23J♣8♠ 18202× 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
4f86368316f956ecc011f377ca2f60f3d195a2fe2911dba3442f6b92a77492c0
Seed
84870b22a3dc6d822359c69e4730ed9d0b64a965773625801c3498683c1c8ffb SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
8af6a102ba9b40acfda1b40231b234cb
Commitment
Batch 69,511, Merkle root b09e488960c082a073f7deab253f8f137b1b8f2f57bf4e961a13ce7ee31a1db5. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. d7e72c063a49634d647f3d246cccbd8d3da6afe8151c17969d4c02e8e281524c
  2. 8c84f0e6de568f18b2a390d860e5f16f9c4b7d678f4bb2fc903da67c5c6ecfa6
  3. 93e1d99e25e680c2aae53cd7562915f02f5903f5d3e0892abbea2c45eee215e0
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.