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("7720733242521370078:set_01M77KKBHHE33TMXA07422YNJV") = f43c0c29463c1b38..., 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_01M77KKBHKF2VBAZ98FXJMSHZ4: 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
2026-11-12T10:07:08.410Z
S1 59870, S2 60000
fab96037b0
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-12T10:07:10.361Z
S1 59870, S2 60049
ca2373fbb1
fab96037b0
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-12T10:07:12.287Z
S1 59944, S2 60049
a716a869cc
ca2373fbb1
sk_4707cd57
Game 2 m_01M77KKBHNF239CY0Q1T0QYN12: 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
2026-11-12T10:07:08.413Z
S1 59867, S2 60000
b3ee13c182
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-12T10:07:10.383Z
S1 59867, S2 60030
7233191969
b3ee13c182
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-12T10:07:12.313Z
S1 59937, S2 60030
7ec56ae4a8
7233191969
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.