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Degen Protocol USDC · ETHBase Sepolia · testnet
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Session against the house

Slot

Play moneyended

5ef15ddb9c01daaf03ab3c3cde29a9bf

Watch the replayThe spinsThe rulesCheck it is fair

gbbagainst the house
Spins played
200
Wagered
200,000 play
Returned
143,627 play
Bettor's net
-56,373 play
Return
71.81%

Results by spin

Final
Spins
200
played
Pace
47.2/min
overall 47.3/min
Biggest swing
+19,000
Seat 1 · spin 199

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

SeatNetRateStreak
gbb-56,373-28,186.5 play/100won 2

Last spins

  1. 200Seat 1+2,000
  2. 199Seat 1+19,000
  3. 198Even0
  4. 197Seat 1+2,000
  5. 196Even0
  6. 195Even0
  7. 194Even0
  8. 193Even0
  9. 192Even0
  10. 191Even0
  11. 190Even0
  12. 189Even0

The spins

Newest first
#BetReelsLinePaidChecked
1501,000–Plum––00× the bet
1491,000OrangeCherryLemon–00× the bet
1481,0007BAROrange–00× the bet
1471,000––Cherry–00× the bet
1461,000–BellOrange–00× the bet
1451,000––Orange–00× the bet
1441,000––BAR–00× the bet
1431,000CherryPlumOrangeCherry1,0001× the bet
1421,000–BARLemon–00× the bet
1411,000–Lemon––00× the bet
1401,000BARBARCherry–00× the bet
1391,000Plum–Orange–00× the bet
1381,000LemonCherryBAR–00× the bet
1371,000LemonLemon––00× the bet
1361,000––––00× the bet
1351,000BellPlumOrange–00× the bet
1341,000–Bell––00× the bet
1331,000CherryBAROrangeCherry1,0001× the bet
1321,000BellOrangeCherry–00× the bet
1311,000LemonOrangeLemonMixed fruit3,0003× the bet
1301,000BAR7Lemon–00× the bet
1291,000LemonPlum––00× the bet
1281,000PlumBAR––00× the bet
1271,000–BARPlum–00× the bet
1261,000Cherry–LemonCherry1,0001× the bet
1251,000PlumOrange––00× the bet
1241,000Cherry–CherryCherry1,0001× the bet
1231,000LemonPlumLemonMixed fruit3,0003× the bet
1221,000––Plum–00× the bet
1211,000OrangePlumOrangeMixed fruit3,0003× the bet
1201,000OrangeBell––00× the bet
1191,0007LemonCherry–00× the bet
1181,000PlumLemonOrangeMixed fruit3,0003× the bet
1171,000BARCherryPlum–00× the bet
1161,000Cherry–BellCherry1,0001× the bet
1151,000LemonLemonCherry–00× the bet
1141,000BellOrangeCherry–00× the bet
1131,000OrangeBellPlum–00× the bet
1121,000CherryLemonOrangeCherry1,0001× the bet
1111,000LemonCherry––00× the bet
1101,000OrangeLemonBAR–00× the bet
1091,000BellLemon––00× the bet
1081,000PlumBell––00× the bet
1071,000PlumLemon––00× the bet
1061,000–OrangeBell–00× the bet
1051,000–7Cherry–00× the bet
1041,000BAR–Orange–00× the bet
1031,000PlumLemonCherry–00× the bet
1021,000BellPlumPlum–00× the bet
1011,000Plum77–00× the bet

Provably fair

Verify fairness

The session's seed decides every reel stop. Its hash was committed before the first spin; the seed is revealed when the session ends. Each round's reel stops come from HMAC-SHA256 keyed by the seed over the round's number and the bettor's own seed.

Seed hash
68b2465294e9e574127305707361204d934c654f6528f8f2504e0ac6629428b4
Seed
b81cc4074046b4df56095fe0a9f54aa33f69265680c60be9343d6f23fa54ef73 SHA-256 of "degen.match.seed.v1", a zero byte and the 32 seed bytes is the seed hash.
Bettor's seed
15cd276bad2cbf1554aa68a60d869a03
Commitment
Batch 58,044, Merkle root ed1afc6e27ec7a474061f5a74a331b288a78e327956506e4561a3289c9eb15de. Recorded by Degen Protocol, not on a chain. See this batch and its Merkle tree
Merkle path
  1. c56d52802474cfd809659c199406142c0ac130f6e7776e600dd23084fc63c1ec
  2. dbe27fc251d40e196cd58bada98e2d0034d379da0394a367bea02c5e02f2e5bd
  3. 19d6acfb0c1e621208f1d31ed7df1e9a466719a854c37f165342be0153559ea0
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; each reel's stop, left to right, is the next word modulo 32.
  4. Read the line from the strip in the game's rules: the stops, the line and the payout must match, and three sevens win the pool.

The replay plays every spin rebuilt this way on the server from the same data, and marks any that does not rebuild as recorded.