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("1998841106080194500:set_01M6SCJD7TF2N9VJKFNG2T7CDD") = 27bd78fe32764234..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 20 each, fee 0
Game 1 m_01M6SCJD7XEH1S3SFJDMMCDTZP: 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
2026-11-06T21:34:55.303Z
S1 59863, S2 60000
23f01c878e
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-06T21:34:57.250Z
S1 59863, S2 60053
0311de7ac6
23f01c878e
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-06T21:34:59.185Z
S1 59928, S2 60053
9d4ec0506c
0311de7ac6
sk_4707cd57
Game 2 m_01M6SCJD81FYNBBMMF7ZDM5FG1: 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
2026-11-06T21:34:55.313Z
S1 59853, S2 60000
6f901b82f8
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-06T21:34:57.273Z
S1 59853, S2 60040
9c6db4f4af
6f901b82f8
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-06T21:34:59.212Z
S1 59914, S2 60040
c52be32fff
9c6db4f4af
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.