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("439950743120069778:set_01M734CZ3PEMEV8EXHDT9ARRV7") = 9a6ed291bd7a18d4..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 10 each, fee 0
Game 1 m_01M734CZ3RE5FTJJ4GMETCFYWZ: 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
2026-11-10T16:24:32.634Z
S1 59937, S2 60000
0322a619ae
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-10T16:24:34.607Z
S1 59937, S2 60027
2969d473fb
0322a619ae
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-10T16:24:36.542Z
S1 60002, S2 60027
7e0dc41572
2969d473fb
sk_4707cd57
Game 2 m_01M734CZ3SFBBTGZW5NS6P8G50: 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
2026-11-10T16:24:32.631Z
S1 59940, S2 60000
769bef0905
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-10T16:24:34.567Z
S1 59940, S2 60064
d46c69c789
769bef0905
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-10T16:24:36.500Z
S1 60007, S2 60064
6615f72915
d46c69c789
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.