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("8407452567509954160:set_01M6E4EK67EB7S1T8NDN27Q4MB") = 9602bed47fbd8179..., 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_01M6E4EK69ETFBHM3RTGMWSCKH: 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
2026-11-02T12:41:23.010Z
S1 59817, S2 60000
66d1c61cfc
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-02T12:41:24.967Z
S1 59817, S2 60043
8e5d042193
66d1c61cfc
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-02T12:41:26.928Z
S1 59856, S2 60043
ce18bfa081
8e5d042193
sk_4707cd57
Game 2 m_01M6E4EK6DFH39W1YPARTKG8AZ: 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
2026-11-02T12:41:23.009Z
S1 59818, S2 60000
9fea50d2c3
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-02T12:41:24.950Z
S1 59818, S2 60059
a50815a0e1
9fea50d2c3
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-02T12:41:26.896Z
S1 59872, S2 60059
b46c1e125f
a50815a0e1
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.