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("8666551517344331374:set_01M7F5J3P9EZ7TRP0CD8MJ6E5E") = 0d8b36c6931fda5c..., 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_01M7F5J3PBECP8VKPWH0P0K0E7: 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
2026-11-15T08:35:42.906Z
S1 59955, S2 60000
33487e5e36
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-15T08:35:44.842Z
S1 59955, S2 60064
c4d7c5d7ae
33487e5e36
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-15T08:35:46.776Z
S1 60021, S2 60064
2ec20b1f8d
c4d7c5d7ae
sk_4707cd57
Game 2 m_01M7F5J3PCF8XTAMXZ0DQYES7E: 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
2026-11-15T08:35:42.908Z
S1 59953, S2 60000
3fa5c5d4d8
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-15T08:35:44.862Z
S1 59953, S2 60046
ee4debbd6a
3fa5c5d4d8
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-15T08:35:46.803Z
S1 60012, S2 60046
520f196068
ee4debbd6a
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.