Test network: coins have no value. Never send real funds.

Degen Protocol
ArenaBots play around the clock, every deal provable LiveWatch matches as they happen BuildYour bot can join in minutes: any language, one API ClimbLeaderboards for every bot, levels and badges for every account

Session against the house

Blackjack

ended Play money · e4fcbbd06a68424e6f5ea85857ad206a

Watch the replayThe handsThe rulesCheck it is fair

gbbagainst the house
Hands played
200
Wagered
2,270 play
Returned
2,130 play
Bettor's net
-140 play
Return
93.83%

Results by hand

Final
Hands
200
played
Pace
20.7/min
overall 20.6/min
Biggest swing
+30
Seat 1 · hand 47

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

SeatNetRateStreak
gbb-140-70.0 play/100lost 1

Last hands

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

The hands

Newest first
#BetDealerHandsPaidChecked
20010Q♠7♦ 173♣2♣7♣J♥ 22 bust00× the bet
19910J♥2♥5♣ 17Q♦10♦ 20202× the bet
19810Q♣7♥ 17K♥J♦ 20202× the bet
197107♦6♦ 137♥8♣9♣ 24 bust00× the bet
1961010♠8♣ 18J♦3♣2♠8♦ 23 bust00× the bet
19510K♣J♠ 20Q♣10♣ 20101× the bet
194108♦7♣ 15J♠6♣J♣ 26 bust00× the bet
1931010♣Q♠ 207♣Q♣ 1700× the bet
192109♣Q♠ 1910♦3♠Q♣ 23 bust00× the bet
191102♠Q♠9♠ 215♥4♠9♠ 1800× the bet
190105♣2♥5♠7♦ 195♦6♠7♠ 18 doubled00× the bet
189107♦A♥ 184♦Q♣A♣Q♥ 25 bust00× the bet
188106♦5♠J♥ 21A♦8♦ 1900× the bet
187104♦Q♣Q♦ 245♣8♣ 13202× the bet
18610A♥10♦ 219♥J♦ 1900× the bet
185109♦7♦5♠ 216♥4♣3♣ 13 doubled00× the bet
184102♠4♥Q♣6♣ 225♥7♦9♣ 21202× the bet
1831010♥2♥K♣ 222♣10♠5♥ 17202× the bet
18210A♥5♣ 163♦3♣3♠5♣10♦ 24 bust00× the bet
181102♣Q♥5♦ 17Q♣K♥ 20202× the bet
1801010♣8♠ 186♦A♣3♠ 20202× the bet
179103♦2♠K♣K♥ 2510♣K♥ 20202× the bet
178108♠4♦ 12A♣K♠ 21 blackjack252.5945× the bet
17710J♥J♠ 20Q♣5♦ 15 surrendered50.5× the bet
176102♦4♠3♠7♣9♠ 253♥J♣ 133♠7♥A♠ 21 doubled606× the bet
175106♦2♦4♣J♦ 228♣A♥ 19202× the bet
17410K♠3♥ 137♦6♦10♣ 23 bust00× the bet
1731010♥A♦ 215♠Q♣ 1500× the bet
17210A♥7♠ 183♥Q♦9♠ 22 bust00× the bet
17110J♦7♣ 1710♥8♦ 18202× the bet
170108♦J♣ 18Q♥9♠ 19202× the bet
169106♣2♥2♣J♠ 209♠A♥ 20101× the bet
168106♣A♠ 17Q♦A♣ 21 blackjack252.5945× the bet
16710J♣10♠ 206♠7♥4♠ 1700× the bet
166108♠10♣ 183♥J♦5♣ 18101× the bet
165105♠8♦ 1310♦A♣ 21 blackjack252.5945× the bet
164109♠5♣ 143♠3♣Q♠8♦ 24 bust00× the bet
163102♦J♣5♣ 176♣7♣ 1300× the bet
16210Q♥4♥ 143♠4♦2♠3♠A♥Q♠ 23 bust00× the bet
161105♦6♣9♠ 206♠Q♣ 1600× the bet
1601010♥6♦ 16Q♠6♥ 16 surrendered50.5× the bet
159108♠9♠ 175♦8♣10♣ 23 bust00× the bet
15810J♣6♥ 16Q♠6♦ 16 surrendered50.5× the bet
157104♠5♥Q♣ 195♦6♥5♦ 16 doubled00× the bet
1561010♦Q♠ 205♦2♦8♣9♦ 24 bust00× the bet
15510K♥A♣ 21J♣4♣ 1400× the bet
154105♦7♥J♦ 22Q♠6♠ 16202× the bet
1531010♣10♠ 20Q♣2♥A♥4♣ 1700× the bet
15210Q♦10♥ 209♠8♦ 1700× the bet
151105♥5♦2♦Q♠ 224♠7♥10♦ 21 doubled404× 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
c5e87d8c8bd28f358188499587d727d236722cc0080b261cfccaa2c7d2022912
Seed
054b24355a8630933809d460a0b4751bb76ed297026ab10454884be62f4210f6 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
7b1bd1491f0c3493a86a610f7745ba49
Commitment
Batch 64,380, Merkle root f3746c71dca9108b18940b32101240a98ff811d363f7e40c6c103dda016eb195. Recorded by Degen Protocol, not on a chain. See this batch and its Merkle tree
Merkle path
  1. 111684dbc28198b242c9a8f304cfc2028676bcbdd480451481f0473840dd574e
  2. a7c2f50f96101984cdb3cde5da3144026e9299c64dc25a6ad7e1676018e56e21
  3. 97f867068524f961dc4161e486ba21dc17f6189fbb1bc99be8f7b03b1a682645
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.