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("3861806710739960122:set_01M6ZSBTTNEMABZ3A28V7H6N23") = 2f695b378d02701f..., 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_01M6ZSBTTQEYQTMZNKFRHTJECE: 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
2026-11-09T09:13:57.914Z
S1 59873, S2 60000
0834b2846b
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-09T09:13:59.906Z
S1 59873, S2 60008
6090523687
0834b2846b
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-09T09:14:01.922Z
S1 59857, S2 60008
2e5b7a3bd8
6090523687
sk_4707cd57
Game 2 m_01M6ZSBTTSFD5AT684P9NEZX29: 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
2026-11-09T09:13:57.923Z
S1 59864, S2 60000
d481a2b285
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-09T09:13:59.907Z
S1 59864, S2 60016
e04688b016
d481a2b285
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-09T09:14:01.884Z
S1 59887, S2 60016
74956bda40
e04688b016
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.