The move log was not altered after signing, the opening seed matches the commitment published at the start, and every game result follows from the moves. Not proven: that the platform's timestamps are honest.
Set checks
✓
seed commitment
sha256("8238874426154908543:set_01M75R6A4DES0R93BY03WFWGQW") = 2e73970b2b74f38d..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 30 each, fee 0
Game 1 m_01M75R6A4FENFRVW7BNV82QE5J: verified
✓
signatures
3 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..3, every prev_hash links
✓
move log
3 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
3 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 1 (four_in_a_row) follows from the moves
3 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition1
1
2026-11-11T16:48:55.000Z
S1 59867, S2 60000
8c2f5477b6
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-11T16:48:56.945Z
S1 59867, S2 60055
2f06212519
8c2f5477b6
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-11T16:48:58.874Z
S1 59938, S2 60055
5cbf8c2aff
2f06212519
sk_4707cd57
Game 2 m_01M75R6A4GF49R2521QW2AM6G6: verified
✓
signatures
3 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..3, every prev_hash links
✓
move log
3 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
3 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 1 (four_in_a_row) follows from the moves
3 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition2
1
2026-11-11T16:48:55.006Z
S1 59861, S2 60000
8ecb567a88
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-11T16:48:56.974Z
S1 59861, S2 60032
eea3bcc52a
8ecb567a88
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-11T16:48:58.909Z
S1 59926, S2 60032
5048727b38
eea3bcc52a
sk_4707cd57
Check it yourself
This page runs the checker on the server, which only shows what the platform says about itself. Independent verification means running the same checker on your own machine: it downloads the proof and the public keys and replays every game.