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("3440790478847615473:set_01M6K3JTKJE50ASW8KYAXERE45") = ea6ae8b6442e66cf..., 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_01M6K3JTKPEAJB8MQDMDQVMYX8: 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
2026-11-04T11:02:25.202Z
S1 59874, S2 60000
087d50c71f
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-04T11:02:27.167Z
S1 59874, S2 60035
a01e6960e7
087d50c71f
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-04T11:02:29.099Z
S1 59942, S2 60035
e705ea47ae
a01e6960e7
sk_4707cd57
Game 2 m_01M6K3JTKRE12RYE5DAX16M2B3: 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
2026-11-04T11:02:25.207Z
S1 59869, S2 60000
718e815bda
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-04T11:02:27.202Z
S1 59869, S2 60005
008e264731
718e815bda
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-04T11:02:29.139Z
S1 59932, S2 60005
a30528e83c
008e264731
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.