Degen Protocol
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Session against the house

Blackjack

ended Play money · e0974e46e2bf6344bc217417ca186a55

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,300 play
Returned
2,235 play
Bettor's net
-65 play
Return
97.17%

Results by hand

Final
Hands
200
played
Pace
21.0/min
overall 19.9/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-65-32.5 play/100lost 2

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
20010Q♥Q♥ 202♦9♥5♣ 16 doubled00× the bet
199103♣3♣4♣A♥ 218♣6♣ 1400× the bet
19810Q♠2♣3♦7♣ 228♠Q♦ 18202× the bet
197104♠J♣K♠ 242♦K♦ 12202× the bet
196108♣J♠ 188♥A♣ 198♥6♦5♥ 19404× the bet
195109♦5♣3♣ 17J♠5♥2♠ 17101× the bet
19410J♣5♠K♦ 253♦A♣Q♦3♦ 17202× the bet
1931010♣5♥ 159♠7♥ 16 surrendered50.5× the bet
19210Q♦3♣J♥ 237♦7♦7♠ 21202× the bet
1911010♠K♥ 208♦J♦ 1800× the bet
190102♠7♥4♠2♥2♦ 17J♦6♠ 1600× the bet
1891010♣A♦ 2110♠10♠ 2000× the bet
18810J♥4♥4♣ 185♣6♠8♣ 19 doubled404× the bet
18710K♠A♣ 216♠2♦ 800× the bet
186105♦9♦ 14K♥A♣ 21 blackjack252.5945× the bet
185107♥K♣ 176♦10♣K♠ 26 bust00× the bet
18410J♥7♠ 17J♦7♠ 17101× the bet
183104♥3♠10♦ 172♠Q♦ 1200× the bet
182107♥4♥ 11A♦4♠K♣A♥Q♦ 26 bust00× the bet
18110K♠10♣ 20J♠10♦ 20101× the bet
180109♣7♠Q♠ 269♠3♣2♦7♦ 21202× the bet
179108♣Q♦ 18J♣10♥ 20202× the bet
17810J♠A♥ 219♠10♣ 1900× the bet
177105♣A♣5♥ 21Q♠4♣ 1400× the bet
176105♠10♥9♦ 243♠6♥10♥ 19 doubled404× the bet
17510J♥A♠ 21J♠9♥ 1900× the bet
17410Q♣9♣ 195♥3♣4♥2♣K♦ 24 bust00× the bet
173104♦10♠4♦ 182♥9♠Q♣ 21 doubled404× the bet
17210K♣4♠K♣ 246♣5♣2♣ 13 doubled404× the bet
17110A♦9♦ 204♦4♣Q♦ 1800× the bet
170104♦8♦8♦ 208♥10♥ 188♣Q♥ 1800× the bet
169102♥K♥6♦ 183♦8♥2♣ 13 doubled00× the bet
168108♥6♠3♠ 1710♣K♣ 20202× the bet
167103♥Q♥ 13Q♥A♥ 21 blackjack252.5945× the bet
166107♠6♥3♥2♦ 187♠3♣4♠ 14 doubled00× the bet
165109♠2♠8♥ 19J♦3♣5♥ 1800× the bet
16410J♦9♠ 1910♥2♥Q♥ 22 bust00× the bet
163108♦3♥10♣ 21Q♣5♣A♥3♥ 1900× the bet
16210J♠10♦ 209♥9♦ 1800× the bet
16110J♣J♦ 208♠A♣ 1900× the bet
160108♥4♥5♠ 17A♦4♠Q♣2♦ 17101× the bet
15910A♣Q♠ 218♥7♠ 1500× the bet
15810K♥K♥ 208♠K♠ 188♦4♦A♣5♠ 1800× the bet
157108♠9♥ 17J♣10♣ 20202× the bet
156105♦8♠7♦ 202♦9♣7♣ 18 doubled00× the bet
155108♠4♣2♠7♠ 217♣4♥9♥ 20 doubled00× the bet
154109♣Q♦ 192♦8♣6♥ 16 doubled00× the bet
153107♠5♦ 126♠3♥7♦Q♦ 26 bust00× the bet
15210Q♦2♦ 124♥8♣2♠9♣ 23 bust00× the bet
151105♥Q♦5♠ 20A♣2♥ 13A♠5♠ 1600× 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
fd2159a39b4f42b450eacb0c38e90f7e41ad488069627e66a87eed4129d954b0
Seed
509521f8f1c7a624cdf72a1086621a70920cd7bc91fe557e7706d99a7e2c600b SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
8b3f1e8845522e27c612b6acb1a6abfa
Commitment
Batch 68,230, Merkle root 2c0c7eaf010880115a8f249995eb3eda7fbb582d54701d79fbcbce1ae59185cc. Recorded by Degen Protocol; on-chain publication is not available yet. See this batch and its Merkle tree
Merkle path
  1. f391792a170a9767236307047738dcda2280758b3277e5e0d650f0bc675db5c3
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.