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("3574676851225425022:set_01M757Z80GFRKS7VRRM43SAPK7") = 0111ab1c6bdf2356..., 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_01M757Z80JFZ2AZWPXZ8XTDC9J: 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
2026-11-11T12:05:26.322Z
S1 59781, S2 60000
2c01bb9f61
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-11T12:05:28.302Z
S1 59781, S2 60020
2220d6c5fa
2c01bb9f61
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-11T12:05:30.228Z
S1 59855, S2 60020
395d996cbe
2220d6c5fa
sk_4707cd57
Game 2 m_01M757Z80KFZPV5W234MR6R315: 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
2026-11-11T12:05:26.304Z
S1 59799, S2 60000
0e5636613d
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-11T12:05:28.247Z
S1 59799, S2 60057
0a0e59b731
0e5636613d
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-11T12:05:30.176Z
S1 59870, S2 60057
cc45a3e2e7
0a0e59b731
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.