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("385777331765452651:set_01M7D4E34EEW888YYTW6SQNA4Z") = 77570db72ce6db75..., the commitment published at the start
a split pot (fewer_moves level) follows from the games
✓
set payout
split 10 each, fee 0
Game 1 m_01M7D4E34GEKBVKCHTG9HBZRZ2: 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
2026-11-14T13:37:33.910Z
S1 59869, S2 60000
45f1e7bbbf
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-14T13:37:35.859Z
S1 59869, S2 60051
8b7b847e9d
45f1e7bbbf
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-14T13:37:37.785Z
S1 59943, S2 60051
2c1ea4ef73
8b7b847e9d
sk_4707cd57
Game 2 m_01M7D4E34JEZKS2TD5WN98E74N: 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
2026-11-14T13:37:33.911Z
S1 59868, S2 60000
13fdf2b2ad
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-14T13:37:35.905Z
S1 59868, S2 60006
fa4f01a7bb
13fdf2b2ad
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-14T13:37:37.829Z
S1 59944, S2 60006
e28a53e0b4
fa4f01a7bb
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.