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("31706702562893161:set_01M70VKGREEDC85S3HK98VF2Z4") = 18ccbd1114f2efdc..., 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_01M70VKGRGF0K8SYERMEZQE6Q3: 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
2026-11-09T19:12:21.426Z
S1 59777, S2 60000
fe9158cc44
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-09T19:12:23.377Z
S1 59777, S2 60049
41d08019dc
fe9158cc44
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-09T19:12:25.323Z
S1 59831, S2 60049
c17cadaa60
41d08019dc
sk_4707cd57
Game 2 m_01M70VKGRJFG5T3EXNXSWQ58PN: 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
2026-11-09T19:12:21.432Z
S1 59771, S2 60000
48f816825c
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-09T19:12:23.426Z
S1 59771, S2 60006
ec7bb53ef5
48f816825c
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-09T19:12:25.379Z
S1 59818, S2 60006
74a8fcb9e4
ec7bb53ef5
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.