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("4658936620267595033:set_01M7CYPQ1XFWM9NHAJSZ1HH8SB") = 4f1eb26325f75bbf..., 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_01M7CYPQ1ZFFT831HKHGSEH0WH: 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
2026-11-14T11:57:25.006Z
S1 59862, S2 60000
8e3ff25a65
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-14T11:57:26.957Z
S1 59862, S2 60049
8c7f9b8894
8e3ff25a65
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-14T11:57:28.887Z
S1 59932, S2 60049
8a7807b82e
8c7f9b8894
sk_4707cd57
Game 2 m_01M7CYPQ21F19AXEATX7JVFGY3: 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
2026-11-14T11:57:25.015Z
S1 59853, S2 60000
3d4ec50496
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-14T11:57:27.008Z
S1 59853, S2 60007
717c0f6800
3d4ec50496
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-14T11:57:28.936Z
S1 59925, S2 60007
4c693d03ef
717c0f6800
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.