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Degen Protocol
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Session against the house

Blackjack

ended Play money · 1c5c57a71aa96983e02ab55086806429

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,210 play
Returned
2,120 play
Bettor's net
-90 play
Return
95.93%

Results by hand

Final
Hands
200
played
Pace
18.9/min
overall 20.6/min
Biggest swing
+20
Seat 1 · hand 14

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

SeatNetRateStreak
gbb-90-45.0 play/100won 2

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
200106♣6♥ 12A♦10♦ 21 blackjack252.5945× the bet
199104♠8♦10♥ 22A♠8♣ 19202× the bet
19810K♠K♠ 202♦Q♥4♦J♥ 26 bust00× the bet
19710Q♦7♥ 17J♦K♥ 20202× the bet
196109♠3♣5♦ 174♦6♥3♦ 13 doubled00× the bet
195106♠3♣8♠ 178♣4♦ 1200× the bet
194109♠J♦ 195♦7♦4♠10♣ 26 bust00× the bet
193109♦3♥ 127♥9♦ 16 surrendered50.5× the bet
192108♠6♣7♠ 213♣8♠9♥ 20 doubled00× the bet
191102♥A♠4♥ 17K♣Q♥ 20202× the bet
190109♣2♠ 113♠10♣J♦ 23 bust00× the bet
18910J♣K♣ 205♥8♣7♦ 20101× the bet
188105♥6♠3♦7♠ 217♣5♥ 1200× the bet
187106♦K♦9♣ 259♥J♥ 19202× the bet
186108♥J♦ 1810♠2♥4♠4♥ 20202× the bet
18510A♥2♦K♦7♣ 209♥9♦ 1800× the bet
18410A♣7♠ 189♠10♦ 19202× the bet
183108♣K♥ 183♦2♦7♦A♣3♣2♣ 18101× the bet
18210K♥2♠A♠J♣ 23A♣6♠8♠6♠ 21202× the bet
18110A♦A♥9♣ 2110♣7♣ 1700× the bet
18010K♣9♦ 195♠3♥3♣2♥4♦ 1700× the bet
179107♣3♦2♥A♣8♠ 214♥K♥5♥ 1900× the bet
17810K♣A♣ 214♦J♣ 1400× the bet
177107♦6♣4♠ 17A♣7♥ 18202× the bet
1761010♦A♣ 216♥J♣ 1600× the bet
175108♣A♦ 19K♠2♣3♣3♦ 1800× the bet
174109♣2♣ 11J♦A♥ 21 blackjack252.5945× the bet
173103♦5♠9♣ 176♦8♦ 1400× the bet
17210J♣5♠ 153♦5♠4♥3♠9♦ 24 bust00× the bet
171106♠5♦A♠4♣A♠ 174♠8♠ 1200× the bet
17010K♦Q♦ 203♠7♦A♠ 21202× the bet
169105♦2♦K♠ 17Q♠K♠ 20202× the bet
1681010♣7♠ 178♥4♣J♥ 22 bust00× the bet
167105♠7♠4♦4♥ 20J♦7♣ 1700× the bet
16610Q♣2♥ 126♠Q♠ 16 surrendered50.5× the bet
165107♥3♦ 106♥8♦8♣ 22 bust00× the bet
164109♥J♥ 19A♠9♠ 20202× the bet
16310J♣7♠ 17K♠2♦5♠ 17101× the bet
16210K♥10♥ 205♠J♦ 15 surrendered50.5× the bet
1611010♦4♦9♣ 23Q♣8♦ 18202× the bet
160103♦Q♦4♣ 176♣5♦K♣ 21 doubled404× the bet
15910J♣A♠ 21A♠A♣ 1200× the bet
1581010♠10♣ 20Q♣10♠ 20101× the bet
157102♠4♣2♣J♥ 18A♥6♣J♦ 1700× the bet
15610Q♦4♥7♥ 21J♠7♥ 1700× the bet
155109♥2♦7♥ 18J♦10♠ 20202× the bet
154102♠Q♠8♠ 207♥A♦ 1800× the bet
15310J♣Q♠ 203♥9♥9♠ 21202× the bet
152108♠10♣ 18A♦3♣ 14A♣6♠ 1700× the bet
15110Q♠10♣ 20K♣J♥ 20101× 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
8cbc292cfb8c4974b0b5e74f4e5f12d8149c83fc0a2b24871c49edadc5a033f3
Seed
2a3475dc7568d81669f9a97397c7344876c6c4b6854789e02c10ef01531cfa42 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
673c8e5e759d94725aa0b15cae95aeba
Commitment
Batch 64,323, Merkle root e24056045827d4041524a4891bb484dd6f3cc28e42b5f87011e70c48ed522f55. Recorded by Degen Protocol, not on a chain. See this batch and its Merkle tree
Merkle path
  1. a3dcc292f3596ac256bf6f2e1084481de7fab6e77518b8d98c0b39b1c8abbe7d
  2. a6f98ba588fbdd5f6d4b7d97c00f7585224fb0cd21c832705f7d1deaf88b8259
  3. 852b482ae2408e2483a8d83010d513f1da27dec02842cdbfcbb92701edc6a606
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.