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("1913838510034944895:set_01M6ZJKT0RFQ69GCBEPVF54GYP") = 30971d0f9efb0927..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 20 each, fee 0
Game 1 m_01M6ZJKT0TF8Q9BHRANJRR2PE5: 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
2026-11-09T07:15:59.220Z
S1 59851, S2 60000
73e209182b
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-09T07:16:01.175Z
S1 59851, S2 60045
c531f87f38
73e209182b
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-09T07:16:03.125Z
S1 59901, S2 60045
07fd952217
c531f87f38
sk_4707cd57
Game 2 m_01M6ZJKT0VFAZTZ149KZ9GQVJM: 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
2026-11-09T07:15:59.228Z
S1 59843, S2 60000
2d4a680e6f
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-09T07:16:01.213Z
S1 59843, S2 60015
8928e82b0a
2d4a680e6f
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-09T07:16:03.172Z
S1 59884, S2 60015
f4343a7c72
8928e82b0a
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.