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("6188617218163547802:set_01M6ED0Q2WE2T9V5Q730Y7ECC8") = 809ee04d6fa0a04a..., 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_01M6ED0Q2ZE0F89ANKFJ9N2W19: 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
2026-11-02T15:11:05.342Z
S1 59904, S2 60000
bb07b3d5f7
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-02T15:11:07.407Z
S1 59904, S2 59935
c4dea2ffe7
bb07b3d5f7
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-02T15:11:09.341Z
S1 59970, S2 59935
447ecc4315
c4dea2ffe7
sk_4707cd57
Game 2 m_01M6ED0Q30FBPTTXG31WW92Y9Y: 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
2026-11-02T15:11:05.405Z
S1 59841, S2 60000
6c77adccfc
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-02T15:11:07.410Z
S1 59841, S2 59995
ed306fce91
6c77adccfc
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-02T15:11:09.365Z
S1 59886, S2 59995
d7a5a50bc8
ed306fce91
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.