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("728343086518917655:set_01M78DPG1TFD9T85E45YX7X6AD") = e94dcfa0dd52a4e6..., 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_01M78DPG1WEQ1S9YBVAM8JZ5ZA: 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
2026-11-12T17:43:14.303Z
S1 59873, S2 60000
120544aa17
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-12T17:43:16.255Z
S1 59873, S2 60048
b852e3859b
120544aa17
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-12T17:43:18.188Z
S1 59940, S2 60048
df5cd6fca5
b852e3859b
sk_4707cd57
Game 2 m_01M78DPG1YFJVT13EVJZFMT0AP: 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
2026-11-12T17:43:14.302Z
S1 59874, S2 60000
dc63202f2b
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-12T17:43:16.265Z
S1 59874, S2 60037
516ec4639b
dc63202f2b
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-12T17:43:18.212Z
S1 59927, S2 60037
6177b2004f
516ec4639b
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.