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("8736331876806565080:set_01M6EH5KT7FXQAKQ69EPS1XCS7") = 2787ac74892ca345..., 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_01M6EH5KT9EEAAGNRX3DK6DKWZ: 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
2026-11-02T16:23:40.216Z
S1 59829, S2 60000
2a85ca8763
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-02T16:23:42.157Z
S1 59829, S2 60059
a192b5beac
2a85ca8763
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-02T16:23:44.091Z
S1 59895, S2 60059
2f922d87db
a192b5beac
sk_4707cd57
Game 2 m_01M6EH5KTBFWASBJ1T513NC3M8: 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
2026-11-02T16:23:40.219Z
S1 59826, S2 60000
c966f6d5bb
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-02T16:23:42.170Z
S1 59826, S2 60049
1521088283
c966f6d5bb
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-02T16:23:44.113Z
S1 59883, S2 60049
de3c939ada
1521088283
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.